385580350439939 has 2 divisors, whose sum is σ = 385580350439940. Its totient is φ = 385580350439938.

The previous prime is 385580350439909. The next prime is 385580350440001. The reversal of 385580350439939 is 939934053085583.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385580350439939 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (385580350439909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192790175219969 + 192790175219970.

It is an arithmetic number, because the mean of its divisors is an integer number (192790175219970).

Almost surely, 2^{385580350439939} is an apocalyptic number.

385580350439939 is a deficient number, since it is larger than the sum of its proper divisors (1).

385580350439939 is an equidigital number, since it uses as much as digits as its factorization.

385580350439939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568000, while the sum is 74.

The spelling of 385580350439939 in words is "three hundred eighty-five trillion, five hundred eighty billion, three hundred fifty million, four hundred thirty-nine thousand, nine hundred thirty-nine".