6450853381 has 12 divisors (see below), whose sum is σ = 7899005280. Its totient is φ = 5238286200.

The previous prime is 6450853327. The next prime is 6450853403. The reversal of 6450853381 is 1833580546.

It is not a de Polignac number, because 6450853381 - 2¹³ = 6450845189 is a prime.

It is a super-2 number, since 2×6450853381² = 83227018686318262322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450853081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3463545 + ... + 3465406.

It is an arithmetic number, because the mean of its divisors is an integer number (658250440).

Almost surely, 2^6450853381 is an apocalyptic number.

It is an amenable number.

6450853381 is a deficient number, since it is larger than the sum of its proper divisors (1448151899).

6450853381 is a wasteful number, since it uses less digits than its factorization.

6450853381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928984 (or 6928977 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 6450853381 is about 80317.2047633631. The cubic root of 6450853381 is about 1861.5400761659.

The spelling of 6450853381 in words is "six billion, four hundred fifty million, eight hundred fifty-three thousand, three hundred eighty-one".