634683107 has 2 divisors, whose sum is σ = 634683108. Its totient is φ = 634683106.

The previous prime is 634683073. The next prime is 634683187. The reversal of 634683107 is 701386436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634683107 - 2¹⁴ = 634666723 is a prime.

It is a super-2 number, since 2×634683107² = 805645292622346898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (634683187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317341553 + 317341554.

It is an arithmetic number, because the mean of its divisors is an integer number (317341554).

Almost surely, 2^634683107 is an apocalyptic number.

634683107 is a deficient number, since it is larger than the sum of its proper divisors (1).

634683107 is an equidigital number, since it uses as much as digits as its factorization.

634683107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 634683107 is about 25192.9177944914. The cubic root of 634683107 is about 859.3807995501.

The spelling of 634683107 in words is "six hundred thirty-four million, six hundred eighty-three thousand, one hundred seven".