13635264091 has 2 divisors, whose sum is σ = 13635264092. Its totient is φ = 13635264090.

The previous prime is 13635264079. The next prime is 13635264107. The reversal of 13635264091 is 19046253631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13635264091 - 2⁷ = 13635263963 is a prime.

It is not a weakly prime, because it can be changed into another prime (13635264031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6817632045 + 6817632046.

It is an arithmetic number, because the mean of its divisors is an integer number (6817632046).

Almost surely, 2^13635264091 is an apocalyptic number.

13635264091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13635264091 is an equidigital number, since it uses as much as digits as its factorization.

13635264091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 13635264091 in words is "thirteen billion, six hundred thirty-five million, two hundred sixty-four thousand, ninety-one".