13235662461 has 16 divisors (see below), whose sum is σ = 20183961600. Its totient is φ = 7557485808.

The previous prime is 13235662417. The next prime is 13235662469. The reversal of 13235662461 is 16426653231.

It is a de Polignac number, because none of the positive numbers 2^k-13235662461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13235662469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211221 + ... + 266618.

It is an arithmetic number, because the mean of its divisors is an integer number (1261497600).

Almost surely, 2^13235662461 is an apocalyptic number.

It is an amenable number.

13235662461 is a deficient number, since it is larger than the sum of its proper divisors (6948299139).

13235662461 is a wasteful number, since it uses less digits than its factorization.

13235662461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479168.

The product of its digits is 155520, while the sum is 39.

The spelling of 13235662461 in words is "thirteen billion, two hundred thirty-five million, six hundred sixty-two thousand, four hundred sixty-one".