364249902221 has 2 divisors, whose sum is σ = 364249902222. Its totient is φ = 364249902220.

The previous prime is 364249902209. The next prime is 364249902299. The reversal of 364249902221 is 122209942463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254066402500 + 110183499721 = 504050^2 + 331939^2 .

It is a cyclic number.

It is not a de Polignac number, because 364249902221 - 2²⁶ = 364182793357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (364249992221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182124951110 + 182124951111.

It is an arithmetic number, because the mean of its divisors is an integer number (182124951111).

Almost surely, 2^364249902221 is an apocalyptic number.

It is an amenable number.

364249902221 is a deficient number, since it is larger than the sum of its proper divisors (1).

364249902221 is an equidigital number, since it uses as much as digits as its factorization.

364249902221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 364249902221 in words is "three hundred sixty-four billion, two hundred forty-nine million, nine hundred two thousand, two hundred twenty-one".