9108930639 has 16 divisors (see below), whose sum is σ = 12261443040. Its totient is φ = 6014563200.

The previous prime is 9108930629. The next prime is 9108930661. The reversal of 9108930639 is 9360398019.

It is a happy number.

It is not a de Polignac number, because 9108930639 - 2¹⁵ = 9108897871 is a prime.

It is a super-2 number, since 2×9108930639² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9108930629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355989 + ... + 1362689.

It is an arithmetic number, because the mean of its divisors is an integer number (766340190).

Almost surely, 2^9108930639 is an apocalyptic number.

9108930639 is a deficient number, since it is larger than the sum of its proper divisors (3152512401).

9108930639 is a wasteful number, since it uses less digits than its factorization.

9108930639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 9108930639 is about 95440.7179300324. The cubic root of 9108930639 is about 2088.4422233596.

The spelling of 9108930639 in words is "nine billion, one hundred eight million, nine hundred thirty thousand, six hundred thirty-nine".