318644546041 has 2 divisors, whose sum is σ = 318644546042. Its totient is φ = 318644546040.

The previous prime is 318644546023. The next prime is 318644546113. The reversal of 318644546041 is 140645446813.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183187424016 + 135457122025 = 428004^2 + 368045^2 .

It is a cyclic number.

It is not a de Polignac number, because 318644546041 - 2³⁵ = 284284807673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318644545982 and 318644546000.

It is not a weakly prime, because it can be changed into another prime (318644546021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159322273020 + 159322273021.

It is an arithmetic number, because the mean of its divisors is an integer number (159322273021).

Almost surely, 2^318644546041 is an apocalyptic number.

It is an amenable number.

318644546041 is a deficient number, since it is larger than the sum of its proper divisors (1).

318644546041 is an equidigital number, since it uses as much as digits as its factorization.

318644546041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 318644546041 in words is "three hundred eighteen billion, six hundred forty-four million, five hundred forty-six thousand, forty-one".