325591172349 has 16 divisors (see below), whose sum is σ = 436439807232. Its totient is φ = 215902015488.

The previous prime is 325591172339. The next prime is 325591172377. The reversal of 325591172349 is 943271195523.

It is a de Polignac number, because none of the positive numbers 2^k-325591172349 is a prime.

It is a super-2 number, since 2×325591172349² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325591172339) 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, 3932709 + ... + 4014645.

It is an arithmetic number, because the mean of its divisors is an integer number (27277487952).

Almost surely, 2^325591172349 is an apocalyptic number.

It is an amenable number.

325591172349 is a deficient number, since it is larger than the sum of its proper divisors (110848634883).

325591172349 is a wasteful number, since it uses less digits than its factorization.

325591172349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88996.

The product of its digits is 2041200, while the sum is 51.

The spelling of 325591172349 in words is "three hundred twenty-five billion, five hundred ninety-one million, one hundred seventy-two thousand, three hundred forty-nine".