3939769064544 has 48 divisors (see below), whose sum is σ = 10342273455360. Its totient is φ = 1313208144000.

The previous prime is 3939769064521. The next prime is 3939769064591. The reversal of 3939769064544 is 4454609679393.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1924677 + ... + 3403515.

It is an arithmetic number, because the mean of its divisors is an integer number (215464030320).

Almost surely, 2^{3939769064544} is an apocalyptic number.

It is an amenable number.

3939769064544 is an abundant number, since it is smaller than the sum of its proper divisors (6402504390816).

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

3939769064544 is a wasteful number, since it uses less digits than its factorization.

3939769064544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506603 (or 1506595 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 69.

The spelling of 3939769064544 in words is "three trillion, nine hundred thirty-nine billion, seven hundred sixty-nine million, sixty-four thousand, five hundred forty-four".