3620564117284 has 9 divisors (see below), whose sum is σ = 6335993864977. Its totient is φ = 1810280155864.

The previous prime is 3620564117281. The next prime is 3620564117299. The reversal of 3620564117284 is 4827114650263.

The square root of 3620564117284 is 1902778.

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

It can be written as a sum of positive squares in only one way, i.e., 3320128582884 + 300435534400 = 1822122^2 + 548120^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3620564117281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3329862 + ... + 4281250.

Almost surely, 2^{3620564117284} is an apocalyptic number.

3620564117284 is the 1902778-th square number.

It is an amenable number.

3620564117284 is a deficient number, since it is larger than the sum of its proper divisors (2715429747693).

3620564117284 is an frugal number, since it uses more digits than its factorization.

3620564117284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902782 (or 951391 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

Multiplying 3620564117284 by its sum of digits (49), we get a square (177407641746916 = 13319446²).

The spelling of 3620564117284 in words is "three trillion, six hundred twenty billion, five hundred sixty-four million, one hundred seventeen thousand, two hundred eighty-four".