364221043556365 has 4 divisors (see below), whose sum is σ = 437065252267644. Its totient is φ = 291376834845088.

The previous prime is 364221043556339. The next prime is 364221043556369. The reversal of 364221043556365 is 563655340122463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81336967727401 + 282884075828964 = 9018701^2 + 16819158^2 .

It is a cyclic number.

It is not a de Polignac number, because 364221043556365 - 2³³ = 364212453621773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364221043556369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36422104355632 + ... + 36422104355641.

It is an arithmetic number, because the mean of its divisors is an integer number (109266313066911).

Almost surely, 2^{364221043556365} is an apocalyptic number.

It is an amenable number.

364221043556365 is a deficient number, since it is larger than the sum of its proper divisors (72844208711279).

364221043556365 is an equidigital number, since it uses as much as digits as its factorization.

364221043556365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72844208711278.

The product of its (nonzero) digits is 46656000, while the sum is 55.

The spelling of 364221043556365 in words is "three hundred sixty-four trillion, two hundred twenty-one billion, forty-three million, five hundred fifty-six thousand, three hundred sixty-five".