9995639050 has 24 divisors (see below), whose sum is σ = 18647088876. Its totient is φ = 3986384640.

The previous prime is 9995639041. The next prime is 9995639117. The reversal of 9995639050 is 509365999.

It can be written as a sum of positive squares in 6 ways, for example, as 4455963009 + 5539676041 = 66753^2 + 74429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9995638982 and 9995639000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279757 + ... + 313456.

Almost surely, 2^9995639050 is an apocalyptic number.

9995639050 is a deficient number, since it is larger than the sum of its proper divisors (8651449826).

9995639050 is a wasteful number, since it uses less digits than its factorization.

9995639050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593562 (or 593557 counting only the distinct ones).

The product of its (nonzero) digits is 2952450, while the sum is 55.

The square root of 9995639050 is about 99978.1928722459. The cubic root of 9995639050 is about 2154.1214650968.

The spelling of 9995639050 in words is "nine billion, nine hundred ninety-five million, six hundred thirty-nine thousand, fifty".