8104914639 has 24 divisors (see below), whose sum is σ = 12546280032. Its totient is φ = 5028661440.

The previous prime is 8104914613. The next prime is 8104914677. The reversal of 8104914639 is 9364194018.

8104914639 is a `hidden beast` number, since 8 + 1 + 0 + 4 + 9 + 1 + 4 + 639 = 666.

It is not a de Polignac number, because 8104914639 - 2²¹ = 8102817487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8104914594 and 8104914603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8104914239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521452 + ... + 536769.

It is an arithmetic number, because the mean of its divisors is an integer number (522761668).

Almost surely, 2^8104914639 is an apocalyptic number.

8104914639 is a deficient number, since it is larger than the sum of its proper divisors (4441365393).

8104914639 is a wasteful number, since it uses less digits than its factorization.

8104914639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058287 (or 1058284 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 8104914639 is about 90027.2994096791. The cubic root of 8104914639 is about 2008.7049435930.

The spelling of 8104914639 in words is "eight billion, one hundred four million, nine hundred fourteen thousand, six hundred thirty-nine".