654315974404 has 9 divisors (see below), whose sum is σ = 1145055786357. Its totient is φ = 327157178304.

The previous prime is 654315974401. The next prime is 654315974441. The reversal of 654315974404 is 404479513456.

The square root of 654315974404 is 808898.

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., 36519974404 + 617796000000 = 191102^2 + 786000^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654315974401) 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, 1415572 + ... + 1820020.

Almost surely, 2^654315974404 is an apocalyptic number.

654315974404 is the 808898-th square number.

It is an amenable number.

654315974404 is a deficient number, since it is larger than the sum of its proper divisors (490739811953).

654315974404 is an frugal number, since it uses more digits than its factorization.

654315974404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808902 (or 404451 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 654315974404 in words is "six hundred fifty-four billion, three hundred fifteen million, nine hundred seventy-four thousand, four hundred four".