48739173957 has 10 divisors (see below), whose sum is σ = 72807901958. Its totient is φ = 32492782584.

The previous prime is 48739173943. The next prime is 48739173997. The reversal of 48739173957 is 75937193784.

48739173957 is a `hidden beast` number, since 487 + 39 + 1 + 73 + 9 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48070124001 + 669049956 = 219249^2 + 25866^2 .

It is not a de Polignac number, because 48739173957 - 2¹² = 48739169861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48739173894 and 48739173903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48739173907) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 300859018 + ... + 300859179.

Almost surely, 2^48739173957 is an apocalyptic number.

It is an amenable number.

48739173957 is a deficient number, since it is larger than the sum of its proper divisors (24068728001).

48739173957 is an equidigital number, since it uses as much as digits as its factorization.

48739173957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601718209 (or 601718200 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 63.

The spelling of 48739173957 in words is "forty-eight billion, seven hundred thirty-nine million, one hundred seventy-three thousand, nine hundred fifty-seven".