325998431849 has 4 divisors (see below), whose sum is σ = 340172276736. Its totient is φ = 311824586964.

The previous prime is 325998431821. The next prime is 325998431887. The reversal of 325998431849 is 948134899523.

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 325998431849 - 2²⁰ = 325997383273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (325998421849) 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, 7086922409 + ... + 7086922454.

It is an arithmetic number, because the mean of its divisors is an integer number (85043069184).

Almost surely, 2^325998431849 is an apocalyptic number.

It is an amenable number.

325998431849 is a deficient number, since it is larger than the sum of its proper divisors (14173844887).

325998431849 is a wasteful number, since it uses less digits than its factorization.

325998431849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14173844886.

The product of its digits is 67184640, while the sum is 65.

The spelling of 325998431849 in words is "three hundred twenty-five billion, nine hundred ninety-eight million, four hundred thirty-one thousand, eight hundred forty-nine".