13613612067 has 12 divisors (see below), whose sum is σ = 21451752504. Its totient is φ = 8250673920.

The previous prime is 13613612029. The next prime is 13613612069. The reversal of 13613612067 is 76021631631.

13613612067 is a `hidden beast` number, since 1 + 36 + 1 + 3 + 612 + 0 + 6 + 7 = 666.

It is not a de Polignac number, because 13613612067 - 2⁶ = 13613612003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13613612069) 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 in 11 ways as a sum of consecutive naturals, for example, 68755518 + ... + 68755715.

It is an arithmetic number, because the mean of its divisors is an integer number (1787646042).

Almost surely, 2^13613612067 is an apocalyptic number.

13613612067 is a deficient number, since it is larger than the sum of its proper divisors (7838140437).

13613612067 is a wasteful number, since it uses less digits than its factorization.

13613612067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137511250 (or 137511247 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 13613612067 in words is "thirteen billion, six hundred thirteen million, six hundred twelve thousand, sixty-seven".