318000642899 has 2 divisors, whose sum is σ = 318000642900. Its totient is φ = 318000642898.

The previous prime is 318000642893. The next prime is 318000642913. The reversal of 318000642899 is 998246000813.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318000642899 - 2¹² = 318000638803 is a prime.

It is a super-2 number, since 2×318000642899² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (318000642893) 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, 159000321449 + 159000321450.

It is an arithmetic number, because the mean of its divisors is an integer number (159000321450).

Almost surely, 2^318000642899 is an apocalyptic number.

318000642899 is a deficient number, since it is larger than the sum of its proper divisors (1).

318000642899 is an equidigital number, since it uses as much as digits as its factorization.

318000642899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 318000642899 in words is "three hundred eighteen billion, six hundred forty-two thousand, eight hundred ninety-nine".