326117663293 has 4 divisors (see below), whose sum is σ = 328070463840. Its totient is φ = 324164862748.

The previous prime is 326117663281. The next prime is 326117663329. The reversal of 326117663293 is 392366711623.

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 an emirpimes, since its reverse is a distinct semiprime: 392366711623 = 71 ⋅5526291713.

It is a cyclic number.

It is not a de Polignac number, because 326117663293 - 2²¹ = 326115566141 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 (326117663213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976400023 + ... + 976400356.

It is an arithmetic number, because the mean of its divisors is an integer number (82017615960).

Almost surely, 2^326117663293 is an apocalyptic number.

It is an amenable number.

326117663293 is a deficient number, since it is larger than the sum of its proper divisors (1952800547).

326117663293 is a wasteful number, since it uses less digits than its factorization.

326117663293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952800546.

The product of its digits is 1469664, while the sum is 49.

The spelling of 326117663293 in words is "three hundred twenty-six billion, one hundred seventeen million, six hundred sixty-three thousand, two hundred ninety-three".