326194193069 has 2 divisors, whose sum is σ = 326194193070. Its totient is φ = 326194193068.

The previous prime is 326194193063. The next prime is 326194193141. The reversal of 326194193069 is 960391491623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242076792169 + 84117400900 = 492013^2 + 290030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326194193069 is a prime.

It is a super-2 number, since 2×326194193069² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 326194193069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326194193063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163097096534 + 163097096535.

It is an arithmetic number, because the mean of its divisors is an integer number (163097096535).

Almost surely, 2^326194193069 is an apocalyptic number.

It is an amenable number.

326194193069 is a deficient number, since it is larger than the sum of its proper divisors (1).

326194193069 is an equidigital number, since it uses as much as digits as its factorization.

326194193069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 326194193069 in words is "three hundred twenty-six billion, one hundred ninety-four million, one hundred ninety-three thousand, sixty-nine".