388942494737 has 2 divisors, whose sum is σ = 388942494738. Its totient is φ = 388942494736.

The previous prime is 388942494719. The next prime is 388942494757. The reversal of 388942494737 is 737494249883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352641194896 + 36301299841 = 593836^2 + 190529^2 .

It is a cyclic number.

It is not a de Polignac number, because 388942494737 - 2¹⁰ = 388942493713 is a prime.

It is not a weakly prime, because it can be changed into another prime (388942494757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194471247368 + 194471247369.

It is an arithmetic number, because the mean of its divisors is an integer number (194471247369).

Almost surely, 2^388942494737 is an apocalyptic number.

It is an amenable number.

388942494737 is a deficient number, since it is larger than the sum of its proper divisors (1).

388942494737 is an equidigital number, since it uses as much as digits as its factorization.

388942494737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 292626432, while the sum is 68.

The spelling of 388942494737 in words is "three hundred eighty-eight billion, nine hundred forty-two million, four hundred ninety-four thousand, seven hundred thirty-seven".