13091422697 has 2 divisors, whose sum is σ = 13091422698. Its totient is φ = 13091422696.

The previous prime is 13091422681. The next prime is 13091422703. The reversal of 13091422697 is 79622419031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6771808681 + 6319614016 = 82291^2 + 79496^2 .

It is a cyclic number.

It is not a de Polignac number, because 13091422697 - 2⁴ = 13091422681 is a prime.

It is a super-3 number, since 3×13091422697³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13091422637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6545711348 + 6545711349.

It is an arithmetic number, because the mean of its divisors is an integer number (6545711349).

Almost surely, 2^13091422697 is an apocalyptic number.

It is an amenable number.

13091422697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13091422697 is an equidigital number, since it uses as much as digits as its factorization.

13091422697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 13091422697 in words is "thirteen billion, ninety-one million, four hundred twenty-two thousand, six hundred ninety-seven".