1399614561608 has 16 divisors (see below), whose sum is σ = 2695203717180. Its totient is φ = 680893570368.

The previous prime is 1399614561539. The next prime is 1399614561623. The reversal of 1399614561608 is 8061654169931.

It can be written as a sum of positive squares in 2 ways, for example, as 1344435612004 + 55178949604 = 1159498^2 + 234902^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364213491 + ... + 2364214082.

Almost surely, 2^{1399614561608} is an apocalyptic number.

It is an amenable number.

1399614561608 is a deficient number, since it is larger than the sum of its proper divisors (1295589155572).

1399614561608 is a wasteful number, since it uses less digits than its factorization.

1399614561608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728427616 (or 4728427612 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 1399614561608 in words is "one trillion, three hundred ninety-nine billion, six hundred fourteen million, five hundred sixty-one thousand, six hundred eight".