3138907698408 has 16 divisors (see below), whose sum is σ = 7847269246080. Its totient is φ = 1046302566128.

The previous prime is 3138907698373. The next prime is 3138907698427. The reversal of 3138907698408 is 8048967098313.

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, 65393910360 + ... + 65393910407.

It is an arithmetic number, because the mean of its divisors is an integer number (490454327880).

Almost surely, 2^{3138907698408} is an apocalyptic number.

It is an amenable number.

3138907698408 is an abundant number, since it is smaller than the sum of its proper divisors (4708361547672).

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

3138907698408 is a wasteful number, since it uses less digits than its factorization.

3138907698408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130787820776 (or 130787820772 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 3138907698408 in words is "three trillion, one hundred thirty-eight billion, nine hundred seven million, six hundred ninety-eight thousand, four hundred eight".