13542013691 has 2 divisors, whose sum is σ = 13542013692. Its totient is φ = 13542013690.

The previous prime is 13542013687. The next prime is 13542013703. The reversal of 13542013691 is 19631024531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13542013691 - 2² = 13542013687 is a prime.

It is a super-2 number, since 2×13542013691² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13542013601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771006845 + 6771006846.

It is an arithmetic number, because the mean of its divisors is an integer number (6771006846).

Almost surely, 2^13542013691 is an apocalyptic number.

13542013691 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542013691 is an equidigital number, since it uses as much as digits as its factorization.

13542013691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 13542013691 in words is "thirteen billion, five hundred forty-two million, thirteen thousand, six hundred ninety-one".