8638734411 has 12 divisors (see below), whose sum is σ = 12529951720. Its totient is φ = 5735257920.

The previous prime is 8638734409. The next prime is 8638734421. The reversal of 8638734411 is 1144378368.

8638734411 is a `hidden beast` number, since 8 + 638 + 7 + 3 + 4 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 8638734411 - 2¹ = 8638734409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8638734421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1989241 + ... + 1993578.

Almost surely, 2^8638734411 is an apocalyptic number.

8638734411 is a deficient number, since it is larger than the sum of its proper divisors (3891217309).

8638734411 is a wasteful number, since it uses less digits than its factorization.

8638734411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983066 (or 3983063 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 8638734411 is about 92944.7922747692. The cubic root of 8638734411 is about 2051.8709400665.

The spelling of 8638734411 in words is "eight billion, six hundred thirty-eight million, seven hundred thirty-four thousand, four hundred eleven".