258303974399 has 4 divisors (see below), whose sum is σ = 271898920440. Its totient is φ = 244709028360.

The previous prime is 258303974381. The next prime is 258303974413. The reversal of 258303974399 is 993479303852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258303974399 - 2⁸ = 258303974143 is a prime.

It is a super-2 number, since 2×258303974399² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258303974359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6797472992 + ... + 6797473029.

It is an arithmetic number, because the mean of its divisors is an integer number (67974730110).

Almost surely, 2^258303974399 is an apocalyptic number.

258303974399 is a deficient number, since it is larger than the sum of its proper divisors (13594946041).

258303974399 is a wasteful number, since it uses less digits than its factorization.

258303974399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13594946040.

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 258303974399 in words is "two hundred fifty-eight billion, three hundred three million, nine hundred seventy-four thousand, three hundred ninety-nine".