318974189284 has 9 divisors (see below), whose sum is σ = 558206807977. Its totient is φ = 159486529864.

The previous prime is 318974189273. The next prime is 318974189291. The reversal of 318974189284 is 482981479813.

The square root of 318974189284 is 564778.

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., 46949355684 + 272024833600 = 216678^2 + 521560^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 988362 + ... + 1270750.

Almost surely, 2^318974189284 is an apocalyptic number.

318974189284 is the 564778-th square number.

It is an amenable number.

318974189284 is a deficient number, since it is larger than the sum of its proper divisors (239232618693).

318974189284 is an frugal number, since it uses more digits than its factorization.

318974189284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564782 (or 282391 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 64.

Multiplying 318974189284 by its sum of digits (64), we get a square (20414348114176 = 4518224²).

The spelling of 318974189284 in words is "three hundred eighteen billion, nine hundred seventy-four million, one hundred eighty-nine thousand, two hundred eighty-four".