386243764369 has 2 divisors, whose sum is σ = 386243764370. Its totient is φ = 386243764368.

The previous prime is 386243764343. The next prime is 386243764393. The reversal of 386243764369 is 963467342683.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348646554369 + 37597210000 = 590463^2 + 193900^2 .

It is a cyclic number.

It is not a de Polignac number, because 386243764369 - 2²³ = 386235375761 is a prime.

It is a super-2 number, since 2×386243764369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (386243774369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193121882184 + 193121882185.

It is an arithmetic number, because the mean of its divisors is an integer number (193121882185).

Almost surely, 2^386243764369 is an apocalyptic number.

It is an amenable number.

386243764369 is a deficient number, since it is larger than the sum of its proper divisors (1).

386243764369 is an equidigital number, since it uses as much as digits as its factorization.

386243764369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94058496, while the sum is 61.

The spelling of 386243764369 in words is "three hundred eighty-six billion, two hundred forty-three million, seven hundred sixty-four thousand, three hundred sixty-nine".