235857401613 has 24 divisors (see below), whose sum is σ = 353390558976. Its totient is φ = 157198320000.

The previous prime is 235857401581. The next prime is 235857401623. The reversal of 235857401613 is 316104758532.

It is a happy number.

235857401613 is a `hidden beast` number, since 2 + 3 + 58 + 574 + 0 + 16 + 13 = 666.

It is not a de Polignac number, because 235857401613 - 2⁵ = 235857401581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235857401623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 850948 + ... + 1093538.

It is an arithmetic number, because the mean of its divisors is an integer number (14724606624).

Almost surely, 2^235857401613 is an apocalyptic number.

It is an amenable number.

235857401613 is a deficient number, since it is larger than the sum of its proper divisors (117533157363).

235857401613 is an equidigital number, since it uses as much as digits as its factorization.

235857401613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246607 (or 246595 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 235857401613 in words is "two hundred thirty-five billion, eight hundred fifty-seven million, four hundred one thousand, six hundred thirteen".