316148327449 has 2 divisors, whose sum is σ = 316148327450. Its totient is φ = 316148327448.

The previous prime is 316148327401. The next prime is 316148327503. The reversal of 316148327449 is 944723841613.

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., 316117191049 + 31136400 = 562243^2 + 5580^2 .

It is an emirp because it is prime and its reverse (944723841613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316148327449 - 2¹¹ = 316148325401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316148327396 and 316148327405.

It is not a weakly prime, because it can be changed into another prime (316148367449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158074163724 + 158074163725.

It is an arithmetic number, because the mean of its divisors is an integer number (158074163725).

Almost surely, 2^316148327449 is an apocalyptic number.

It is an amenable number.

316148327449 is a deficient number, since it is larger than the sum of its proper divisors (1).

316148327449 is an equidigital number, since it uses as much as digits as its factorization.

316148327449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 52.

The spelling of 316148327449 in words is "three hundred sixteen billion, one hundred forty-eight million, three hundred twenty-seven thousand, four hundred forty-nine".