3370828672721 has 16 divisors (see below), whose sum is σ = 3475491183360. Its totient is φ = 3267268490880.

The previous prime is 3370828672703. The next prime is 3370828672727. The reversal of 3370828672721 is 1272768280733.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3370828672721 is a prime.

It is a super-2 number, since 2×3370828672721² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3370828672727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7886711 + ... + 8303123.

It is an arithmetic number, because the mean of its divisors is an integer number (217218198960).

Almost surely, 2^{3370828672721} is an apocalyptic number.

It is an amenable number.

3370828672721 is a deficient number, since it is larger than the sum of its proper divisors (104662510639).

3370828672721 is a wasteful number, since it uses less digits than its factorization.

3370828672721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417736.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 3370828672721 in words is "three trillion, three hundred seventy billion, eight hundred twenty-eight million, six hundred seventy-two thousand, seven hundred twenty-one".