13993350691 has 2 divisors, whose sum is σ = 13993350692. Its totient is φ = 13993350690.

The previous prime is 13993350653. The next prime is 13993350697. The reversal of 13993350691 is 19605339931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13993350691 - 2⁷ = 13993350563 is a prime.

It is a super-2 number, since 2×13993350691² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13993350697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6996675345 + 6996675346.

It is an arithmetic number, because the mean of its divisors is an integer number (6996675346).

Almost surely, 2^13993350691 is an apocalyptic number.

13993350691 is a deficient number, since it is larger than the sum of its proper divisors (1).

13993350691 is an equidigital number, since it uses as much as digits as its factorization.

13993350691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 590490, while the sum is 49.

The spelling of 13993350691 in words is "thirteen billion, nine hundred ninety-three million, three hundred fifty thousand, six hundred ninety-one".