326442053501 has 4 divisors (see below), whose sum is σ = 326453259552. Its totient is φ = 326430847452.

The previous prime is 326442053489. The next prime is 326442053519. The reversal of 326442053501 is 105350244623.

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 326442053501 - 2²² = 326437859197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326442053591) 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, 5559215 + ... + 5617628.

It is an arithmetic number, because the mean of its divisors is an integer number (81613314888).

Almost surely, 2^326442053501 is an apocalyptic number.

It is an amenable number.

326442053501 is a deficient number, since it is larger than the sum of its proper divisors (11206051).

326442053501 is a wasteful number, since it uses less digits than its factorization.

326442053501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11206050.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 326442053501 in words is "three hundred twenty-six billion, four hundred forty-two million, fifty-three thousand, five hundred one".