3521072416922 has 16 divisors (see below), whose sum is σ = 5283166398120. Its totient is φ = 1760017036032.

The previous prime is 3521072416919. The next prime is 3521072416933. The reversal of 3521072416922 is 2296142701253.

It can be written as a sum of positive squares in 4 ways, for example, as 1371004468201 + 2150067948721 = 1170899^2 + 1466311^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146742158 + ... + 146766150.

Almost surely, 2^{3521072416922} is an apocalyptic number.

3521072416922 is a deficient number, since it is larger than the sum of its proper divisors (1762093981198).

3521072416922 is a wasteful number, since it uses less digits than its factorization.

3521072416922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42577.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 3521072416922 in words is "three trillion, five hundred twenty-one billion, seventy-two million, four hundred sixteen thousand, nine hundred twenty-two".