5213273856 has 432 divisors, whose sum is σ = 17741838240. Its totient is φ = 1348730880.

The previous prime is 5213273831. The next prime is 5213273867. The reversal of 5213273856 is 6583723125.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

Its product of digits (302400) is a multiple of the sum of its prime factors (360).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18552436 + ... + 18552716.

It is an arithmetic number, because the mean of its divisors is an integer number (41069070).

Almost surely, 2^5213273856 is an apocalyptic number.

5213273856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5213273856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8870919120).

5213273856 is an abundant number, since it is smaller than the sum of its proper divisors (12528564384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5213273856 is a wasteful number, since it uses less digits than its factorization.

5213273856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 339 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 5213273856 is about 72203.0044804231. The cubic root of 5213273856 is about 1733.9511033999.

The spelling of 5213273856 in words is "five billion, two hundred thirteen million, two hundred seventy-three thousand, eight hundred fifty-six".