16425680793913 has 16 divisors (see below), whose sum is σ = 18020968350480. Its totient is φ = 14902029305856.

The previous prime is 16425680793889. The next prime is 16425680793919. The reversal of 16425680793913 is 31939708652461.

It can be written as a sum of positive squares in 8 ways, for example, as 1792393472809 + 14633287321104 = 1338803^2 + 3825348^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16425680793913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16425680793919) 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, 26873820 + ... + 27478237.

It is an arithmetic number, because the mean of its divisors is an integer number (1126310521905).

It is a 1-persistent number, because it is pandigital, but 2⋅16425680793913 = 32851361587826 is not.

Almost surely, 2^{16425680793913} is an apocalyptic number.

It is an amenable number.

16425680793913 is a deficient number, since it is larger than the sum of its proper divisors (1595287556567).

16425680793913 is a wasteful number, since it uses less digits than its factorization.

16425680793913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54352716.

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 16425680793913 in words is "sixteen trillion, four hundred twenty-five billion, six hundred eighty million, seven hundred ninety-three thousand, nine hundred thirteen".