3255744993864 has 64 divisors (see below), whose sum is σ = 9265361264640. Its totient is φ = 943694199360.

The previous prime is 3255744993859. The next prime is 3255744993869. The reversal of 3255744993864 is 4683994475523.

It is an interprime number because it is at equal distance from previous prime (3255744993859) and next prime (3255744993869).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (3255744993869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268088872 + ... + 268101015.

It is an arithmetic number, because the mean of its divisors is an integer number (144771269760).

Almost surely, 2^{3255744993864} is an apocalyptic number.

It is an amenable number.

3255744993864 is an abundant number, since it is smaller than the sum of its proper divisors (6009616270776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3255744993864 is a wasteful number, since it uses less digits than its factorization.

3255744993864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536189930 (or 536189926 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 69.

The spelling of 3255744993864 in words is "three trillion, two hundred fifty-five billion, seven hundred forty-four million, nine hundred ninety-three thousand, eight hundred sixty-four".