258744769964 has 6 divisors (see below), whose sum is σ = 452803347444. Its totient is φ = 129372384980.

The previous prime is 258744769949. The next prime is 258744769981. The reversal of 258744769964 is 469967447852.

It is a super-2 number, since 2×258744769964² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32343096242 + ... + 32343096249.

It is an arithmetic number, because the mean of its divisors is an integer number (75467224574).

Almost surely, 2^258744769964 is an apocalyptic number.

It is an amenable number.

258744769964 is a deficient number, since it is larger than the sum of its proper divisors (194058577480).

258744769964 is a wasteful number, since it uses less digits than its factorization.

258744769964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64686192495 (or 64686192493 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 71.

The spelling of 258744769964 in words is "two hundred fifty-eight billion, seven hundred forty-four million, seven hundred sixty-nine thousand, nine hundred sixty-four".