325992421969 has 4 divisors (see below), whose sum is σ = 325993573440. Its totient is φ = 325991270500.

The previous prime is 325992421901. The next prime is 325992422047. The reversal of 325992421969 is 969124299523.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 969124299523 = 157 ⋅6172766239.

It is a cyclic number.

It is not a de Polignac number, because 325992421969 - 2¹³ = 325992413777 is a prime.

It is a super-2 number, since 2×325992421969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325992121969) 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, 176844 + ... + 826594.

It is an arithmetic number, because the mean of its divisors is an integer number (81498393360).

Almost surely, 2^325992421969 is an apocalyptic number.

It is an amenable number.

325992421969 is a deficient number, since it is larger than the sum of its proper divisors (1151471).

325992421969 is an equidigital number, since it uses as much as digits as its factorization.

325992421969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151470.

The product of its digits is 18895680, while the sum is 61.

The spelling of 325992421969 in words is "three hundred twenty-five billion, nine hundred ninety-two million, four hundred twenty-one thousand, nine hundred sixty-nine".