16432446125513 has 4 divisors (see below), whose sum is σ = 17926304864208. Its totient is φ = 14938587386820.

The previous prime is 16432446125489. The next prime is 16432446125519. The reversal of 16432446125513 is 31552164423461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16432446125513 - 2³⁶ = 16363726648777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16432446125519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746929369331 + ... + 746929369352.

It is an arithmetic number, because the mean of its divisors is an integer number (4481576216052).

Almost surely, 2^{16432446125513} is an apocalyptic number.

It is an amenable number.

16432446125513 is a deficient number, since it is larger than the sum of its proper divisors (1493858738695).

16432446125513 is a wasteful number, since it uses less digits than its factorization.

16432446125513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493858738694.

The product of its digits is 2073600, while the sum is 47.

The spelling of 16432446125513 in words is "sixteen trillion, four hundred thirty-two billion, four hundred forty-six million, one hundred twenty-five thousand, five hundred thirteen".