634633473343 has 2 divisors, whose sum is σ = 634633473344. Its totient is φ = 634633473342.

The previous prime is 634633473293. The next prime is 634633473347. The reversal of 634633473343 is 343374336436.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634633473343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634633473347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317316736671 + 317316736672.

It is an arithmetic number, because the mean of its divisors is an integer number (317316736672).

Almost surely, 2^634633473343 is an apocalyptic number.

634633473343 is a deficient number, since it is larger than the sum of its proper divisors (1).

634633473343 is an equidigital number, since it uses as much as digits as its factorization.

634633473343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 49.

The spelling of 634633473343 in words is "six hundred thirty-four billion, six hundred thirty-three million, four hundred seventy-three thousand, three hundred forty-three".