13657704948 has 48 divisors (see below), whose sum is σ = 35424833920. Its totient is φ = 4550515200.

The previous prime is 13657704943. The next prime is 13657704967. The reversal of 13657704948 is 84940775631.

13657704948 is a `hidden beast` number, since 1 + 36 + 57 + 70 + 494 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 13657704894 and 13657704903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13657704941) 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, 222228 + ... + 276948.

Almost surely, 2^13657704948 is an apocalyptic number.

13657704948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13657704948 is an abundant number, since it is smaller than the sum of its proper divisors (21767128972).

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

13657704948 is a wasteful number, since it uses less digits than its factorization.

13657704948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57045 (or 57037 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 13657704948 in words is "thirteen billion, six hundred fifty-seven million, seven hundred four thousand, nine hundred forty-eight".