13469135668 has 12 divisors (see below), whose sum is σ = 23787235780. Its totient is φ = 6672782592.

The previous prime is 13469135609. The next prime is 13469135671. The reversal of 13469135668 is 86653196431.

It can be written as a sum of positive squares in 2 ways, for example, as 5663766564 + 7805369104 = 75258^2 + 88348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15445821 + ... + 15446692.

Almost surely, 2^13469135668 is an apocalyptic number.

It is an amenable number.

13469135668 is a deficient number, since it is larger than the sum of its proper divisors (10318100112).

13469135668 is a wasteful number, since it uses less digits than its factorization.

13469135668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30892626 (or 30892624 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The spelling of 13469135668 in words is "thirteen billion, four hundred sixty-nine million, one hundred thirty-five thousand, six hundred sixty-eight".