16772742105013 has 4 divisors (see below), whose sum is σ = 16772751784908. Its totient is φ = 16772732425120.

The previous prime is 16772742104983. The next prime is 16772742105079. The reversal of 16772742105013 is 31050124727761.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 13297567575889 + 3475174529124 = 3646583^2 + 1864182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16772742105013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772742135013) 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, 1448848 + ... + 5970313.

It is an arithmetic number, because the mean of its divisors is an integer number (4193187946227).

Almost surely, 2^{16772742105013} is an apocalyptic number.

It is an amenable number.

16772742105013 is a deficient number, since it is larger than the sum of its proper divisors (9679895).

16772742105013 is an equidigital number, since it uses as much as digits as its factorization.

16772742105013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9679894.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 16772742105013 in words is "sixteen trillion, seven hundred seventy-two billion, seven hundred forty-two million, one hundred five thousand, thirteen".