3969542544824 has 32 divisors (see below), whose sum is σ = 7564922826240. Its totient is φ = 1952485020000.

The previous prime is 3969542544823. The next prime is 3969542544853. The reversal of 3969542544824 is 4284452459693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969542544823) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 15827252 + ... + 16076099.

It is an arithmetic number, because the mean of its divisors is an integer number (236403838320).

Almost surely, 2^{3969542544824} is an apocalyptic number.

It is an amenable number.

3969542544824 is a deficient number, since it is larger than the sum of its proper divisors (3595380281416).

3969542544824 is a wasteful number, since it uses less digits than its factorization.

3969542544824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31903611 (or 31903607 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 65.

The spelling of 3969542544824 in words is "three trillion, nine hundred sixty-nine billion, five hundred forty-two million, five hundred forty-four thousand, eight hundred twenty-four".