3172913645297 has 4 divisors (see below), whose sum is σ = 3461360340336. Its totient is φ = 2884466950260.

The previous prime is 3172913645269. The next prime is 3172913645299. The reversal of 3172913645297 is 7925463192713.

It is a happy number.

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 3172913645297 - 2¹⁰ = 3172913644273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3172913645299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144223347503 + ... + 144223347524.

It is an arithmetic number, because the mean of its divisors is an integer number (865340085084).

Almost surely, 2^{3172913645297} is an apocalyptic number.

It is an amenable number.

3172913645297 is a deficient number, since it is larger than the sum of its proper divisors (288446695039).

3172913645297 is a wasteful number, since it uses less digits than its factorization.

3172913645297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288446695038.

The product of its digits is 17146080, while the sum is 59.

The spelling of 3172913645297 in words is "three trillion, one hundred seventy-two billion, nine hundred thirteen million, six hundred forty-five thousand, two hundred ninety-seven".