318648047099 has 2 divisors, whose sum is σ = 318648047100. Its totient is φ = 318648047098.

The previous prime is 318648047083. The next prime is 318648047119. The reversal of 318648047099 is 990740846813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318648047099 - 2⁴ = 318648047083 is a prime.

It is not a weakly prime, because it can be changed into another prime (318648047699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159324023549 + 159324023550.

It is an arithmetic number, because the mean of its divisors is an integer number (159324023550).

Almost surely, 2^318648047099 is an apocalyptic number.

318648047099 is a deficient number, since it is larger than the sum of its proper divisors (1).

318648047099 is an equidigital number, since it uses as much as digits as its factorization.

318648047099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 318648047099 in words is "three hundred eighteen billion, six hundred forty-eight million, forty-seven thousand, ninety-nine".