13768590091 has 2 divisors, whose sum is σ = 13768590092. Its totient is φ = 13768590090.

The previous prime is 13768589999. The next prime is 13768590131. The reversal of 13768590091 is 19009586731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13768590091 - 2¹³ = 13768581899 is a prime.

It is not a weakly prime, because it can be changed into another prime (13768500091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6884295045 + 6884295046.

It is an arithmetic number, because the mean of its divisors is an integer number (6884295046).

Almost surely, 2^13768590091 is an apocalyptic number.

13768590091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13768590091 is an equidigital number, since it uses as much as digits as its factorization.

13768590091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 13768590091 in words is "thirteen billion, seven hundred sixty-eight million, five hundred ninety thousand, ninety-one".