326425652532431 has 4 divisors (see below), whose sum is σ = 326503800885312. Its totient is φ = 326347504179552.

The previous prime is 326425652532409. The next prime is 326425652532437. The reversal of 326425652532431 is 134235256524623.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326425652532431 is a prime.

It is a super-2 number, since 2×326425652532431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326425652532437) 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, 39074170175 + ... + 39074178528.

It is an arithmetic number, because the mean of its divisors is an integer number (81625950221328).

Almost surely, 2^{326425652532431} is an apocalyptic number.

326425652532431 is a deficient number, since it is larger than the sum of its proper divisors (78148352881).

326425652532431 is an equidigital number, since it uses as much as digits as its factorization.

326425652532431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78148352880.

The product of its digits is 31104000, while the sum is 53.

The spelling of 326425652532431 in words is "three hundred twenty-six trillion, four hundred twenty-five billion, six hundred fifty-two million, five hundred thirty-two thousand, four hundred thirty-one".