634733326373 has 2 divisors, whose sum is σ = 634733326374. Its totient is φ = 634733326372.

The previous prime is 634733326351. The next prime is 634733326397. The reversal of 634733326373 is 373623337436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 611951046529 + 22782279844 = 782273^2 + 150938^2 .

It is a cyclic number.

It is not a de Polignac number, because 634733326373 - 2⁶ = 634733326309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634733326673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317366663186 + 317366663187.

It is an arithmetic number, because the mean of its divisors is an integer number (317366663187).

Almost surely, 2^634733326373 is an apocalyptic number.

It is an amenable number.

634733326373 is a deficient number, since it is larger than the sum of its proper divisors (1).

634733326373 is an equidigital number, since it uses as much as digits as its factorization.

634733326373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10287648, while the sum is 50.

The spelling of 634733326373 in words is "six hundred thirty-four billion, seven hundred thirty-three million, three hundred twenty-six thousand, three hundred seventy-three".