326434320416506 has 4 divisors (see below), whose sum is σ = 489651480624762. Its totient is φ = 163217160208252.

The previous prime is 326434320416497. The next prime is 326434320416507. The reversal of 326434320416506 is 605614023434623.

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

It can be written as a sum of positive squares in only one way, i.e., 307376599201281 + 19057721215225 = 17532159^2 + 4365515^2 .

It is a super-2 number, since 2×326434320416506² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 326434320416506.

It is not an unprimeable number, because it can be changed into a prime (326434320416507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81608580104125 + ... + 81608580104128.

Almost surely, 2^{326434320416506} is an apocalyptic number.

326434320416506 is a deficient number, since it is larger than the sum of its proper divisors (163217160208256).

326434320416506 is a wasteful number, since it uses less digits than its factorization.

326434320416506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163217160208255.

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 326434320416506 in words is "three hundred twenty-six trillion, four hundred thirty-four billion, three hundred twenty million, four hundred sixteen thousand, five hundred six".