3244947976816 has 80 divisors (see below), whose sum is σ = 7772041557504. Its totient is φ = 1278060417792.

The previous prime is 3244947976757. The next prime is 3244947976841. The reversal of 3244947976816 is 6186797494423.

It is a super-4 number, since 4×3244947976816⁴ (a number of 51 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4578460 + ... + 5239483.

Almost surely, 2^{3244947976816} is an apocalyptic number.

It is an amenable number.

3244947976816 is an abundant number, since it is smaller than the sum of its proper divisors (4527093580688).

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

3244947976816 is a wasteful number, since it uses less digits than its factorization.

3244947976816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818198 (or 9818192 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 70.

The spelling of 3244947976816 in words is "three trillion, two hundred forty-four billion, nine hundred forty-seven million, nine hundred seventy-six thousand, eight hundred sixteen".