3949265948816 has 40 divisors (see below), whose sum is σ = 7664860771680. Its totient is φ = 1971238381056.

The previous prime is 3949265948783. The next prime is 3949265948819. The reversal of 3949265948816 is 6188495629493.

It is not an unprimeable number, because it can be changed into a prime (3949265948819) 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, 70269815 + ... + 70325993.

It is an arithmetic number, because the mean of its divisors is an integer number (191621519292).

Almost surely, 2^{3949265948816} is an apocalyptic number.

It is an amenable number.

3949265948816 is a deficient number, since it is larger than the sum of its proper divisors (3715594822864).

3949265948816 is a wasteful number, since it uses less digits than its factorization.

3949265948816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63663 (or 63657 counting only the distinct ones).

The product of its digits is 806215680, while the sum is 74.

The spelling of 3949265948816 in words is "three trillion, nine hundred forty-nine billion, two hundred sixty-five million, nine hundred forty-eight thousand, eight hundred sixteen".