469863637156 has 9 divisors (see below), whose sum is σ = 822263764161. Its totient is φ = 234931133112.

The previous prime is 469863637141. The next prime is 469863637189. The reversal of 469863637156 is 651736368964.

The square root of 469863637156 is 685466.

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., 423631756900 + 46231880256 = 650870^2 + 215016^2 .

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, 1199566 + ... + 1542298.

Almost surely, 2^469863637156 is an apocalyptic number.

469863637156 is the 685466-th square number.

It is an amenable number.

469863637156 is a deficient number, since it is larger than the sum of its proper divisors (352400127005).

469863637156 is an frugal number, since it uses more digits than its factorization.

469863637156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685470 (or 342735 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 64.

Multiplying 469863637156 by its sum of digits (64), we get a square (30071272777984 = 5483728²).

The spelling of 469863637156 in words is "four hundred sixty-nine billion, eight hundred sixty-three million, six hundred thirty-seven thousand, one hundred fifty-six".