318668762049 has 32 divisors (see below), whose sum is σ = 502197594624. Its totient is φ = 177544577280.

The previous prime is 318668762047. The next prime is 318668762053. The reversal of 318668762049 is 940267866813.

It is not a de Polignac number, because 318668762049 - 2¹ = 318668762047 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 318668761983 and 318668762001.

It is not an unprimeable number, because it can be changed into a prime (318668762047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6580959 + ... + 6629204.

It is an arithmetic number, because the mean of its divisors is an integer number (15693674832).

Almost surely, 2^318668762049 is an apocalyptic number.

It is an amenable number.

318668762049 is a deficient number, since it is larger than the sum of its proper divisors (183528832575).

318668762049 is a wasteful number, since it uses less digits than its factorization.

318668762049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13210237.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 318668762049 in words is "three hundred eighteen billion, six hundred sixty-eight million, seven hundred sixty-two thousand, forty-nine".