322313211994649 has 2 divisors, whose sum is σ = 322313211994650. Its totient is φ = 322313211994648.

The previous prime is 322313211994619. The next prime is 322313211994661. The reversal of 322313211994649 is 946499112313223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315960579078400 + 6352632916249 = 17775280^2 + 2520443^2 .

It is a cyclic number.

It is not a de Polignac number, because 322313211994649 - 2²⁸ = 322312943559193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (322313211994619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161156605997324 + 161156605997325.

It is an arithmetic number, because the mean of its divisors is an integer number (161156605997325).

Almost surely, 2^{322313211994649} is an apocalyptic number.

It is an amenable number.

322313211994649 is a deficient number, since it is larger than the sum of its proper divisors (1).

322313211994649 is an equidigital number, since it uses as much as digits as its factorization.

322313211994649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15116544, while the sum is 59.

The spelling of 322313211994649 in words is "three hundred twenty-two trillion, three hundred thirteen billion, two hundred eleven million, nine hundred ninety-four thousand, six hundred forty-nine".