3258864971864 has 32 divisors (see below), whose sum is σ = 6275877247200. Its totient is φ = 1585302762240.

The previous prime is 3258864971863. The next prime is 3258864971867. The reversal of 3258864971864 is 4681794688523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3258864971863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4999949 + ... + 5614019.

It is an arithmetic number, because the mean of its divisors is an integer number (196121163975).

Almost surely, 2^{3258864971864} is an apocalyptic number.

It is an amenable number.

3258864971864 is a deficient number, since it is larger than the sum of its proper divisors (3017012275336).

3258864971864 is a wasteful number, since it uses less digits than its factorization.

3258864971864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632043 (or 632039 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 71.

The spelling of 3258864971864 in words is "three trillion, two hundred fifty-eight billion, eight hundred sixty-four million, nine hundred seventy-one thousand, eight hundred sixty-four".