3138965968277 has 2 divisors, whose sum is σ = 3138965968278. Its totient is φ = 3138965968276.

The previous prime is 3138965968241. The next prime is 3138965968343. The reversal of 3138965968277 is 7728695698313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3121391428516 + 17574539761 = 1766746^2 + 132569^2 .

It is a cyclic number.

It is not a de Polignac number, because 3138965968277 - 2¹⁶ = 3138965902741 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569482984138 + 1569482984139.

It is an arithmetic number, because the mean of its divisors is an integer number (1569482984139).

Almost surely, 2^{3138965968277} is an apocalyptic number.

It is an amenable number.

3138965968277 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138965968277 is an equidigital number, since it uses as much as digits as its factorization.

3138965968277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 823011840, while the sum is 74.

The spelling of 3138965968277 in words is "three trillion, one hundred thirty-eight billion, nine hundred sixty-five million, nine hundred sixty-eight thousand, two hundred seventy-seven".