13192444661761 has 8 divisors (see below), whose sum is σ = 13421094899040. Its totient is φ = 12963962740608.

The previous prime is 13192444661749. The next prime is 13192444661783. The reversal of 13192444661761 is 16716644429131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13192444661761 is a prime.

It is a super-2 number, since 2×13192444661761² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13192444661161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41920911 + ... + 42234436.

It is an arithmetic number, because the mean of its divisors is an integer number (1677636862380).

Almost surely, 2^{13192444661761} is an apocalyptic number.

It is an amenable number.

13192444661761 is a deficient number, since it is larger than the sum of its proper divisors (228650237279).

13192444661761 is an equidigital number, since it uses as much as digits as its factorization.

13192444661761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84158063.

The product of its digits is 5225472, while the sum is 55.

The spelling of 13192444661761 in words is "thirteen trillion, one hundred ninety-two billion, four hundred forty-four million, six hundred sixty-one thousand, seven hundred sixty-one".