326450012543 has 4 divisors (see below), whose sum is σ = 326565084120. Its totient is φ = 326334940968.

The previous prime is 326450012527. The next prime is 326450012569. The reversal of 326450012543 is 345210054623.

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

It is a cyclic number.

It is not a de Polignac number, because 326450012543 - 2⁴ = 326450012527 is a prime.

It is a super-2 number, since 2×326450012543² (a number of 24 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 (326450012503) 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, 57531533 + ... + 57537206.

It is an arithmetic number, because the mean of its divisors is an integer number (81641271030).

Almost surely, 2^326450012543 is an apocalyptic number.

326450012543 is a deficient number, since it is larger than the sum of its proper divisors (115071577).

326450012543 is a wasteful number, since it uses less digits than its factorization.

326450012543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115071576.

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

The spelling of 326450012543 in words is "three hundred twenty-six billion, four hundred fifty million, twelve thousand, five hundred forty-three".