3557645316 has 27 divisors (see below), whose sum is σ = 8993841493. Its totient is φ = 1185762480.

The previous prime is 3557645309. The next prime is 3557645339. The reversal of 3557645316 is 6135467553.

The square root of 3557645316 is 59646.

It is a perfect power (a square), and thus also a powerful number.

3557645316 is a `hidden beast` number, since 3 + 5 + 57 + 64 + 531 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 715716 + 3556929600 = 846^2 + 59640^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 352906 + ... + 362846.

Almost surely, 2^3557645316 is an apocalyptic number.

3557645316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

3557645316 is the 59646-th square number.

It is an amenable number.

3557645316 is an abundant number, since it is smaller than the sum of its proper divisors (5436196177).

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

3557645316 is an frugal number, since it uses more digits than its factorization.

3557645316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19892 (or 9946 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 45.

The cubic root of 3557645316 is about 1526.5846204920.

The spelling of 3557645316 in words is "three billion, five hundred fifty-seven million, six hundred forty-five thousand, three hundred sixteen".