2151933696 has 432 divisors, whose sum is σ = 7307381760. Its totient is φ = 623462400.

The previous prime is 2151933689. The next prime is 2151933703. The reversal of 2151933696 is 6963391512.

2151933696 is a `hidden beast` number, since 215 + 19 + 336 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (2151933689) and next prime (2151933703).

It is a tau number, because it is divible by the number of its divisors (432).

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, 25926871 + ... + 25926953.

Almost surely, 2^2151933696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2151933696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3653690880).

2151933696 is an abundant number, since it is smaller than the sum of its proper divisors (5155448064).

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

2151933696 is a wasteful number, since it uses less digits than its factorization.

2151933696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 130 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 2151933696 is about 46388.9393713631. The cubic root of 2151933696 is about 1291.0497026590.

The spelling of 2151933696 in words is "two billion, one hundred fifty-one million, nine hundred thirty-three thousand, six hundred ninety-six".