3999702170224 has 80 divisors (see below), whose sum is σ = 7994526942528. Its totient is φ = 1937864687616.

The previous prime is 3999702170197. The next prime is 3999702170273. The reversal of 3999702170224 is 4220712079993.

It is a happy number.

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, 15392709 + ... + 15650395.

Almost surely, 2^{3999702170224} is an apocalyptic number.

It is an amenable number.

3999702170224 is a deficient number, since it is larger than the sum of its proper divisors (3994824772304).

3999702170224 is a wasteful number, since it uses less digits than its factorization.

3999702170224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258002 (or 257996 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 3999702170224 in words is "three trillion, nine hundred ninety-nine billion, seven hundred two million, one hundred seventy thousand, two hundred twenty-four".