633118388117 has 2 divisors, whose sum is σ = 633118388118. Its totient is φ = 633118388116.

The previous prime is 633118388087. The next prime is 633118388137. The reversal of 633118388117 is 711883811336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526598400241 + 106519987876 = 725671^2 + 326374^2 .

It is a cyclic number.

It is not a de Polignac number, because 633118388117 - 2¹⁰ = 633118387093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (633118388137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316559194058 + 316559194059.

It is an arithmetic number, because the mean of its divisors is an integer number (316559194059).

Almost surely, 2^633118388117 is an apocalyptic number.

It is an amenable number.

633118388117 is a deficient number, since it is larger than the sum of its proper divisors (1).

633118388117 is an equidigital number, since it uses as much as digits as its factorization.

633118388117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 50.

The spelling of 633118388117 in words is "six hundred thirty-three billion, one hundred eighteen million, three hundred eighty-eight thousand, one hundred seventeen".