504239169604 has 9 divisors (see below), whose sum is σ = 882421032157. Its totient is φ = 252118874704.

The previous prime is 504239169563. The next prime is 504239169607. The reversal of 504239169604 is 406961932405.

The square root of 504239169604 is 710098.

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., 498438824004 + 5800345600 = 706002^2 + 76160^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504239169607) 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, 1242672 + ... + 1597720.

Almost surely, 2^504239169604 is an apocalyptic number.

504239169604 is the 710098-th square number.

It is an amenable number.

504239169604 is a deficient number, since it is larger than the sum of its proper divisors (378181862553).

504239169604 is an frugal number, since it uses more digits than its factorization.

504239169604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710102 (or 355051 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

Multiplying 504239169604 by its sum of digits (49), we get a square (24707719310596 = 4970686²).

The spelling of 504239169604 in words is "five hundred four billion, two hundred thirty-nine million, one hundred sixty-nine thousand, six hundred four".