8636073438 has 16 divisors (see below), whose sum is σ = 17354007936. Its totient is φ = 2865047640.

The previous prime is 8636073361. The next prime is 8636073449. The reversal of 8636073438 is 8343706368.

It is a congruent 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, 3409506 + ... + 3412037.

It is an arithmetic number, because the mean of its divisors is an integer number (1084625496).

Almost surely, 2^8636073438 is an apocalyptic number.

8636073438 is an abundant number, since it is smaller than the sum of its proper divisors (8717934498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8636073438 is a wasteful number, since it uses less digits than its factorization.

8636073438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821759.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The square root of 8636073438 is about 92930.4763680893. The cubic root of 8636073438 is about 2051.6602404580.

The spelling of 8636073438 in words is "eight billion, six hundred thirty-six million, seventy-three thousand, four hundred thirty-eight".