5707639638 has 24 divisors (see below), whose sum is σ = 12448456176. Its totient is φ = 1889946000.

The previous prime is 5707639607. The next prime is 5707639673. The reversal of 5707639638 is 8369367075.

5707639638 is a `hidden beast` number, since 570 + 7 + 6 + 3 + 9 + 63 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1047253 + ... + 1052688.

It is an arithmetic number, because the mean of its divisors is an integer number (518685674).

Almost surely, 2^5707639638 is an apocalyptic number.

5707639638 is an abundant number, since it is smaller than the sum of its proper divisors (6740816538).

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

5707639638 is a wasteful number, since it uses less digits than its factorization.

5707639638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100100 (or 2100097 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The square root of 5707639638 is about 75548.9221498229. The cubic root of 5707639638 is about 1787.1136903487.

The spelling of 5707639638 in words is "five billion, seven hundred seven million, six hundred thirty-nine thousand, six hundred thirty-eight".