3451221604 has 12 divisors (see below), whose sum is σ = 6040065024. Its totient is φ = 1725488744.

The previous prime is 3451221517. The next prime is 3451221607. The reversal of 3451221604 is 4061221543.

It is not an unprimeable number, because it can be changed into a prime (3451221607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69597 + ... + 108379.

It is an arithmetic number, because the mean of its divisors is an integer number (503338752).

Almost surely, 2^3451221604 is an apocalyptic number.

It is an amenable number.

3451221604 is a deficient number, since it is larger than the sum of its proper divisors (2588843420).

3451221604 is a wasteful number, since it uses less digits than its factorization.

3451221604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61034 (or 61032 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3451221604 is about 58747.0986858075. The cubic root of 3451221604 is about 1511.2081327307.

The spelling of 3451221604 in words is "three billion, four hundred fifty-one million, two hundred twenty-one thousand, six hundred four".