13618471967 has 2 divisors, whose sum is σ = 13618471968. Its totient is φ = 13618471966.

The previous prime is 13618471921. The next prime is 13618472027. The reversal of 13618471967 is 76917481631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13618471967 - 2²⁴ = 13601694751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13618470967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6809235983 + 6809235984.

It is an arithmetic number, because the mean of its divisors is an integer number (6809235984).

Almost surely, 2^13618471967 is an apocalyptic number.

13618471967 is a deficient number, since it is larger than the sum of its proper divisors (1).

13618471967 is an equidigital number, since it uses as much as digits as its factorization.

13618471967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 53.

The spelling of 13618471967 in words is "thirteen billion, six hundred eighteen million, four hundred seventy-one thousand, nine hundred sixty-seven".