322139645701 has 2 divisors, whose sum is σ = 322139645702. Its totient is φ = 322139645700.

The previous prime is 322139645651. The next prime is 322139645713. The reversal of 322139645701 is 107546931223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317070348100 + 5069297601 = 563090^2 + 71199^2 .

It is a cyclic number.

It is not a de Polignac number, because 322139645701 - 2¹³ = 322139637509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322139645761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161069822850 + 161069822851.

It is an arithmetic number, because the mean of its divisors is an integer number (161069822851).

Almost surely, 2^322139645701 is an apocalyptic number.

It is an amenable number.

322139645701 is a deficient number, since it is larger than the sum of its proper divisors (1).

322139645701 is an equidigital number, since it uses as much as digits as its factorization.

322139645701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 322139645701 in words is "three hundred twenty-two billion, one hundred thirty-nine million, six hundred forty-five thousand, seven hundred one".