318186925037 has 2 divisors, whose sum is σ = 318186925038. Its totient is φ = 318186925036.

The previous prime is 318186925019. The next prime is 318186925079. The reversal of 318186925037 is 730529681813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167420907241 + 150766017796 = 409171^2 + 388286^2 .

It is a cyclic number.

It is not a de Polignac number, because 318186925037 - 2¹² = 318186920941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 318186925037.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318186925087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159093462518 + 159093462519.

It is an arithmetic number, because the mean of its divisors is an integer number (159093462519).

Almost surely, 2^318186925037 is an apocalyptic number.

It is an amenable number.

318186925037 is a deficient number, since it is larger than the sum of its proper divisors (1).

318186925037 is an equidigital number, since it uses as much as digits as its factorization.

318186925037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 318186925037 in words is "three hundred eighteen billion, one hundred eighty-six million, nine hundred twenty-five thousand, thirty-seven".