2351213568 has 264 divisors, whose sum is σ = 7689514560. Its totient is φ = 711659520.

The previous prime is 2351213531. The next prime is 2351213573. The reversal of 2351213568 is 8653121532.

2351213568 is a `hidden beast` number, since 2 + 3 + 512 + 135 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (264).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2736723 + ... + 2737581.

Almost surely, 2^2351213568 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 2351213568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3844757280).

2351213568 is an abundant number, since it is smaller than the sum of its proper divisors (5338300992).

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

2351213568 is an equidigital number, since it uses as much as digits as its factorization.

2351213568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 875 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 2351213568 is about 48489.3139567885. The cubic root of 2351213568 is about 1329.7317128964.

The spelling of 2351213568 in words is "two billion, three hundred fifty-one million, two hundred thirteen thousand, five hundred sixty-eight".