48939187617 has 24 divisors (see below), whose sum is σ = 72257313024. Its totient is φ = 31903939584.

The previous prime is 48939187607. The next prime is 48939187621. The reversal of 48939187617 is 71678193984.

48939187617 is a `hidden beast` number, since 4 + 8 + 9 + 3 + 9 + 1 + 8 + 7 + 617 = 666.

It is not a de Polignac number, because 48939187617 - 2⁸ = 48939187361 is a prime.

It is a super-2 number, since 2×48939187617² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48939187607) 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, 437548 + ... + 537890.

It is an arithmetic number, because the mean of its divisors is an integer number (3010721376).

Almost surely, 2^48939187617 is an apocalyptic number.

48939187617 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

48939187617 is a deficient number, since it is larger than the sum of its proper divisors (23318125407).

48939187617 is a wasteful number, since it uses less digits than its factorization.

48939187617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101549 (or 101546 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 63.

The spelling of 48939187617 in words is "forty-eight billion, nine hundred thirty-nine million, one hundred eighty-seven thousand, six hundred seventeen".