172244494445713 has 8 divisors (see below), whose sum is σ = 173323205758400. Its totient is φ = 171166051384848.

The previous prime is 172244494445659. The next prime is 172244494445789. The reversal of 172244494445713 is 317544494442271.

It is a happy number.

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-172244494445713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172244894445713) 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, 65774658 + ... + 68343211.

It is an arithmetic number, because the mean of its divisors is an integer number (21665400719800).

Almost surely, 2^{172244494445713} is an apocalyptic number.

It is an amenable number.

172244494445713 is a deficient number, since it is larger than the sum of its proper divisors (1078711312687).

172244494445713 is a wasteful number, since it uses less digits than its factorization.

172244494445713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134125911.

The product of its digits is 108380160, while the sum is 61.

The spelling of 172244494445713 in words is "one hundred seventy-two trillion, two hundred forty-four billion, four hundred ninety-four million, four hundred forty-five thousand, seven hundred thirteen".