8637126849 has 16 divisors (see below), whose sum is σ = 13780032000. Its totient is φ = 5315154768.

The previous prime is 8637126809. The next prime is 8637126853. The reversal of 8637126849 is 9486217368.

8637126849 is a `hidden beast` number, since 8 + 6 + 371 + 268 + 4 + 9 = 666.

It is not a de Polignac number, because 8637126849 - 2⁸ = 8637126593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8637126795 and 8637126804.

It is not an unprimeable number, because it can be changed into a prime (8637126809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12303249 + ... + 12303950.

It is an arithmetic number, because the mean of its divisors is an integer number (861252000).

Almost surely, 2^8637126849 is an apocalyptic number.

It is an amenable number.

8637126849 is a deficient number, since it is larger than the sum of its proper divisors (5142905151).

8637126849 is a wasteful number, since it uses less digits than its factorization.

8637126849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24607221 (or 24607215 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 8637126849 is about 92936.1439322721. The cubic root of 8637126849 is about 2051.7436562067.

The spelling of 8637126849 in words is "eight billion, six hundred thirty-seven million, one hundred twenty-six thousand, eight hundred forty-nine".