8696937189249 has 15 divisors (see below), whose sum is σ = 12991760634963. Its totient is φ = 5797940431824.

The previous prime is 8696937189181. The next prime is 8696937189253. The reversal of 8696937189249 is 9429817396968.

The square root of 8696937189249 is 2949057.

It is a perfect power (a square), and thus also a powerful number.

8696937189249 is a `hidden beast` number, since 8 + 69 + 69 + 371 + 8 + 92 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6945464930625 + 1751472258624 = 2635425^2 + 1323432^2 .

It is not a de Polignac number, because 8696937189249 - 2⁷ = 8696937189121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (8696937119249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 26377677 + ... + 26705349.

Almost surely, 2^{8696937189249} is an apocalyptic number.

8696937189249 is the 2949057-th square number.

8696937189249 is the 1474529-th centered octagonal number.

It is an amenable number.

8696937189249 is a deficient number, since it is larger than the sum of its proper divisors (4294823445714).

8696937189249 is an frugal number, since it uses more digits than its factorization.

8696937189249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655358 (or 327676 counting only the distinct ones).

The product of its digits is 2539579392, while the sum is 81.

Multiplying 8696937189249 by its sum of digits (81), we get a square (704451912329169 = 26541513²).

8696937189249 divided by its sum of digits (81) gives a square (107369594929 = 327673²).

The spelling of 8696937189249 in words is "eight trillion, six hundred ninety-six billion, nine hundred thirty-seven million, one hundred eighty-nine thousand, two hundred forty-nine".