365583640397 has 2 divisors, whose sum is σ = 365583640398. Its totient is φ = 365583640396.

The previous prime is 365583640381. The next prime is 365583640453. The reversal of 365583640397 is 793046385563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312138985636 + 53444654761 = 558694^2 + 231181^2 .

It is a cyclic number.

It is not a de Polignac number, because 365583640397 - 2⁴ = 365583640381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (365583640327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182791820198 + 182791820199.

It is an arithmetic number, because the mean of its divisors is an integer number (182791820199).

Almost surely, 2^365583640397 is an apocalyptic number.

It is an amenable number.

365583640397 is a deficient number, since it is larger than the sum of its proper divisors (1).

365583640397 is an equidigital number, since it uses as much as digits as its factorization.

365583640397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 59.

The spelling of 365583640397 in words is "three hundred sixty-five billion, five hundred eighty-three million, six hundred forty thousand, three hundred ninety-seven".