8634699972196 has 27 divisors (see below), whose sum is σ = 15340323871929. Its totient is φ = 4252717986528.

The previous prime is 8634699972169. The next prime is 8634699972281. The reversal of 8634699972196 is 6912799964368.

The square root of 8634699972196 is 2938486.

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., 8595369149796 + 39330822400 = 2931786^2 + 198320^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 393746160 + ... + 393768088.

Almost surely, 2^{8634699972196} is an apocalyptic number.

8634699972196 is the 2938486-th square number.

It is an amenable number.

8634699972196 is a deficient number, since it is larger than the sum of its proper divisors (6705623899733).

8634699972196 is an frugal number, since it uses more digits than its factorization.

8634699972196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43996 (or 21998 counting only the distinct ones).

The product of its digits is 1904684544, while the sum is 79.

The spelling of 8634699972196 in words is "eight trillion, six hundred thirty-four billion, six hundred ninety-nine million, nine hundred seventy-two thousand, one hundred ninety-six".