318670038641 has 2 divisors, whose sum is σ = 318670038642. Its totient is φ = 318670038640.

The previous prime is 318670038571. The next prime is 318670038671. The reversal of 318670038641 is 146830076813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295544449600 + 23125589041 = 543640^2 + 152071^2 .

It is a cyclic number.

It is not a de Polignac number, because 318670038641 - 2¹⁸ = 318669776497 is a prime.

It is not a weakly prime, because it can be changed into another prime (318670038671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159335019320 + 159335019321.

It is an arithmetic number, because the mean of its divisors is an integer number (159335019321).

Almost surely, 2^318670038641 is an apocalyptic number.

It is an amenable number.

318670038641 is a deficient number, since it is larger than the sum of its proper divisors (1).

318670038641 is an equidigital number, since it uses as much as digits as its factorization.

318670038641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 318670038641 in words is "three hundred eighteen billion, six hundred seventy million, thirty-eight thousand, six hundred forty-one".