318669454876733 has 2 divisors, whose sum is σ = 318669454876734. Its totient is φ = 318669454876732.

The previous prime is 318669454876709. The next prime is 318669454876753. The reversal of 318669454876733 is 337678454966813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169090023985444 + 149579430891289 = 13003462^2 + 12230267^2 .

It is a cyclic number.

It is not a de Polignac number, because 318669454876733 - 2²⁴ = 318669438099517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318669454876753) 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, 159334727438366 + 159334727438367.

It is an arithmetic number, because the mean of its divisors is an integer number (159334727438367).

Almost surely, 2^{318669454876733} is an apocalyptic number.

It is an amenable number.

318669454876733 is a deficient number, since it is larger than the sum of its proper divisors (1).

318669454876733 is an equidigital number, since it uses as much as digits as its factorization.

318669454876733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13168189440, while the sum is 80.

The spelling of 318669454876733 in words is "three hundred eighteen trillion, six hundred sixty-nine billion, four hundred fifty-four million, eight hundred seventy-six thousand, seven hundred thirty-three".