634772363 has 2 divisors, whose sum is σ = 634772364. Its totient is φ = 634772362.

The previous prime is 634772357. The next prime is 634772429. The reversal of 634772363 is 363277436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634772363 - 2²⁰ = 633723787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634772363.

It is not a weakly prime, because it can be changed into another prime (634772323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317386181 + 317386182.

It is an arithmetic number, because the mean of its divisors is an integer number (317386182).

Almost surely, 2^634772363 is an apocalyptic number.

634772363 is a deficient number, since it is larger than the sum of its proper divisors (1).

634772363 is an equidigital number, since it uses as much as digits as its factorization.

634772363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 41.

The square root of 634772363 is about 25194.6891824448. The cubic root of 634772363 is about 859.4210828013.

The spelling of 634772363 in words is "six hundred thirty-four million, seven hundred seventy-two thousand, three hundred sixty-three".