396242495999 has 12 divisors (see below), whose sum is σ = 461495262384. Its totient is φ = 339223709664.

The previous prime is 396242495953. The next prime is 396242496017. The reversal of 396242495999 is 999594242693.

It is a de Polignac number, because none of the positive numbers 2^k-396242495999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396242495699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4872542 + ... + 4953195.

It is an arithmetic number, because the mean of its divisors is an integer number (38457938532).

Almost surely, 2^396242495999 is an apocalyptic number.

396242495999 is a deficient number, since it is larger than the sum of its proper divisors (65252766385).

396242495999 is an equidigital number, since it uses as much as digits as its factorization.

396242495999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9826574 (or 9826567 counting only the distinct ones).

The product of its digits is 340122240, while the sum is 71.

The spelling of 396242495999 in words is "three hundred ninety-six billion, two hundred forty-two million, four hundred ninety-five thousand, nine hundred ninety-nine".