13817638048 has 12 divisors (see below), whose sum is σ = 27203474970. Its totient is φ = 6908819008.

The previous prime is 13817638019. The next prime is 13817638067. The reversal of 13817638048 is 84083671831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7393936144 + 6423701904 = 85988^2 + 80148^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13817637992 and 13817638010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215900563 + ... + 215900626.

Almost surely, 2^13817638048 is an apocalyptic number.

It is an amenable number.

13817638048 is a deficient number, since it is larger than the sum of its proper divisors (13385836922).

13817638048 is an equidigital number, since it uses as much as digits as its factorization.

13817638048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431801199 (or 431801191 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 13817638048 in words is "thirteen billion, eight hundred seventeen million, six hundred thirty-eight thousand, forty-eight".