2358057981 has 16 divisors (see below), whose sum is σ = 3346285824. Its totient is φ = 1471893504.

The previous prime is 2358057953. The next prime is 2358058039. The reversal of 2358057981 is 1897508532.

It is not a de Polignac number, because 2358057981 - 2⁶ = 2358057917 is a prime.

It is a super-2 number, since 2×2358057981² = 11120874883515592722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2358057981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2358057901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109941 + ... + 129626.

It is an arithmetic number, because the mean of its divisors is an integer number (209142864).

Almost surely, 2^2358057981 is an apocalyptic number.

It is an amenable number.

2358057981 is a deficient number, since it is larger than the sum of its proper divisors (988227843).

2358057981 is a wasteful number, since it uses less digits than its factorization.

2358057981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239780.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 2358057981 is about 48559.8391780698. The cubic root of 2358057981 is about 1331.0207516197.

The spelling of 2358057981 in words is "two billion, three hundred fifty-eight million, fifty-seven thousand, nine hundred eighty-one".