13487230091 has 2 divisors, whose sum is σ = 13487230092. Its totient is φ = 13487230090.

The previous prime is 13487230087. The next prime is 13487230093. The reversal of 13487230091 is 19003278431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13487230091 - 2² = 13487230087 is a prime.

Together with 13487230093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13487230093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6743615045 + 6743615046.

It is an arithmetic number, because the mean of its divisors is an integer number (6743615046).

Almost surely, 2^13487230091 is an apocalyptic number.

13487230091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13487230091 is an equidigital number, since it uses as much as digits as its factorization.

13487230091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 13487230091 in words is "thirteen billion, four hundred eighty-seven million, two hundred thirty thousand, ninety-one".