13432487961 has 16 divisors (see below), whose sum is σ = 17981498880. Its totient is φ = 8919281280.

The previous prime is 13432487951. The next prime is 13432487983. The reversal of 13432487961 is 16978423431.

It is not a de Polignac number, because 13432487961 - 2⁹ = 13432487449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13432487961.

It is not an unprimeable number, because it can be changed into a prime (13432487911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346251 + ... + 1356191.

It is an arithmetic number, because the mean of its divisors is an integer number (1123843680).

Almost surely, 2^13432487961 is an apocalyptic number.

It is an amenable number.

13432487961 is a deficient number, since it is larger than the sum of its proper divisors (4549010919).

13432487961 is a wasteful number, since it uses less digits than its factorization.

13432487961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11696.

The product of its digits is 870912, while the sum is 48.

The spelling of 13432487961 in words is "thirteen billion, four hundred thirty-two million, four hundred eighty-seven thousand, nine hundred sixty-one".