3138907698373 has 2 divisors, whose sum is σ = 3138907698374. Its totient is φ = 3138907698372.

The previous prime is 3138907698371. The next prime is 3138907698427. The reversal of 3138907698373 is 3738967098313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2265922068804 + 872985629569 = 1505298^2 + 934337^2 .

It is a cyclic number.

It is not a de Polignac number, because 3138907698373 - 2¹ = 3138907698371 is a prime.

Together with 3138907698371, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3138907698299 and 3138907698308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3138907698371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569453849186 + 1569453849187.

It is an arithmetic number, because the mean of its divisors is an integer number (1569453849187).

Almost surely, 2^{3138907698373} is an apocalyptic number.

It is an amenable number.

3138907698373 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138907698373 is an equidigital number, since it uses as much as digits as its factorization.

3138907698373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123451776, while the sum is 67.

The spelling of 3138907698373 in words is "three trillion, one hundred thirty-eight billion, nine hundred seven million, six hundred ninety-eight thousand, three hundred seventy-three".