325551022316909 has 2 divisors, whose sum is σ = 325551022316910. Its totient is φ = 325551022316908.

The previous prime is 325551022316903. The next prime is 325551022316957. The reversal of 325551022316909 is 909613220155523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221665943402500 + 103885078914409 = 14888450^2 + 10192403^2 .

It is a cyclic number.

It is not a de Polignac number, because 325551022316909 - 2³⁶ = 325482302840173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325551022316903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162775511158454 + 162775511158455.

It is an arithmetic number, because the mean of its divisors is an integer number (162775511158455).

Almost surely, 2^{325551022316909} is an apocalyptic number.

It is an amenable number.

325551022316909 is a deficient number, since it is larger than the sum of its proper divisors (1).

325551022316909 is an equidigital number, since it uses as much as digits as its factorization.

325551022316909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374000, while the sum is 53.

The spelling of 325551022316909 in words is "three hundred twenty-five trillion, five hundred fifty-one billion, twenty-two million, three hundred sixteen thousand, nine hundred nine".