3621431472 has 40 divisors (see below), whose sum is σ = 9495005376. Its totient is φ = 1189125696.

The previous prime is 3621431417. The next prime is 3621431503. The reversal of 3621431472 is 2741341263.

It is a super-2 number, since 2×3621431472² = 26229531812784173568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559818 + ... + 566249.

Almost surely, 2^3621431472 is an apocalyptic number.

It is an amenable number.

3621431472 is an abundant number, since it is smaller than the sum of its proper divisors (5873573904).

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

3621431472 is a wasteful number, since it uses less digits than its factorization.

3621431472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126145 (or 1126139 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 3621431472 is about 60178.3305850204. The cubic root of 3621431472 is about 1535.6541715462.

The spelling of 3621431472 in words is "three billion, six hundred twenty-one million, four hundred thirty-one thousand, four hundred seventy-two".