8636746426 has 16 divisors (see below), whose sum is σ = 16151837760. Its totient is φ = 3364966080.

The previous prime is 8636746397. The next prime is 8636746439. The reversal of 8636746426 is 6246476368.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28041231 + ... + 28041538.

It is an arithmetic number, because the mean of its divisors is an integer number (1009489860).

Almost surely, 2^8636746426 is an apocalyptic number.

8636746426 is a deficient number, since it is larger than the sum of its proper divisors (7515091334).

8636746426 is a wasteful number, since it uses less digits than its factorization.

8636746426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56082789.

The product of its digits is 6967296, while the sum is 52.

The square root of 8636746426 is about 92934.0972194813. The cubic root of 8636746426 is about 2051.7135326888.

The spelling of 8636746426 in words is "eight billion, six hundred thirty-six million, seven hundred forty-six thousand, four hundred twenty-six".