388942494719 has 2 divisors, whose sum is σ = 388942494720. Its totient is φ = 388942494718.

The previous prime is 388942494683. The next prime is 388942494737. The reversal of 388942494719 is 917494249883.

It is a strong prime.

It is an emirp because it is prime and its reverse (917494249883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 388942494719 - 2²⁴ = 388925717503 is a prime.

It is a super-2 number, since 2×388942494719² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388942494769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194471247359 + 194471247360.

It is an arithmetic number, because the mean of its divisors is an integer number (194471247360).

Almost surely, 2^388942494719 is an apocalyptic number.

388942494719 is a deficient number, since it is larger than the sum of its proper divisors (1).

388942494719 is an equidigital number, since it uses as much as digits as its factorization.

388942494719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125411328, while the sum is 68.

The spelling of 388942494719 in words is "three hundred eighty-eight billion, nine hundred forty-two million, four hundred ninety-four thousand, seven hundred nineteen".