8049586638 has 16 divisors (see below), whose sum is σ = 16100148096. Its totient is φ = 2683033080.

The previous prime is 8049586619. The next prime is 8049586639. The reversal of 8049586638 is 8366859408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8049586639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109293 + ... + 167463.

It is an arithmetic number, because the mean of its divisors is an integer number (1006259256).

Almost surely, 2^8049586638 is an apocalyptic number.

8049586638 is an abundant number, since it is smaller than the sum of its proper divisors (8050561458).

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

8049586638 is a wasteful number, since it uses less digits than its factorization.

8049586638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81239.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The square root of 8049586638 is about 89719.4886186942. The cubic root of 8049586638 is about 2004.1237114915.

The spelling of 8049586638 in words is "eight billion, forty-nine million, five hundred eighty-six thousand, six hundred thirty-eight".