364021255321 has 2 divisors, whose sum is σ = 364021255322. Its totient is φ = 364021255320.

The previous prime is 364021255249. The next prime is 364021255337. The reversal of 364021255321 is 123552120463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334587049225 + 29434206096 = 578435^2 + 171564^2 .

It is a cyclic number.

It is not a de Polignac number, because 364021255321 - 2⁷ = 364021255193 is a prime.

It is a super-2 number, since 2×364021255321² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (364021255121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182010627660 + 182010627661.

It is an arithmetic number, because the mean of its divisors is an integer number (182010627661).

Almost surely, 2^364021255321 is an apocalyptic number.

It is an amenable number.

364021255321 is a deficient number, since it is larger than the sum of its proper divisors (1).

364021255321 is an equidigital number, since it uses as much as digits as its factorization.

364021255321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 364021255321 its reverse (123552120463), we get a palindrome (487573375784).

The spelling of 364021255321 in words is "three hundred sixty-four billion, twenty-one million, two hundred fifty-five thousand, three hundred twenty-one".