13390644271 has 2 divisors, whose sum is σ = 13390644272. Its totient is φ = 13390644270.

The previous prime is 13390644247. The next prime is 13390644373. The reversal of 13390644271 is 17244609331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13390644271 - 2⁷ = 13390644143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13390644221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6695322135 + 6695322136.

It is an arithmetic number, because the mean of its divisors is an integer number (6695322136).

Almost surely, 2^13390644271 is an apocalyptic number.

13390644271 is a deficient number, since it is larger than the sum of its proper divisors (1).

13390644271 is an equidigital number, since it uses as much as digits as its factorization.

13390644271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 13390644271 in words is "thirteen billion, three hundred ninety million, six hundred forty-four thousand, two hundred seventy-one".