385144101899 has 2 divisors, whose sum is σ = 385144101900. Its totient is φ = 385144101898.

The previous prime is 385144101799. The next prime is 385144101941. The reversal of 385144101899 is 998101441583.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385144101899 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385144101899.

It is not a weakly prime, because it can be changed into another prime (385144101799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192572050949 + 192572050950.

It is an arithmetic number, because the mean of its divisors is an integer number (192572050950).

Almost surely, 2^385144101899 is an apocalyptic number.

385144101899 is a deficient number, since it is larger than the sum of its proper divisors (1).

385144101899 is an equidigital number, since it uses as much as digits as its factorization.

385144101899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 385144101899 in words is "three hundred eighty-five billion, one hundred forty-four million, one hundred one thousand, eight hundred ninety-nine".