634250213099 has 2 divisors, whose sum is σ = 634250213100. Its totient is φ = 634250213098.

The previous prime is 634250213041. The next prime is 634250213101. The reversal of 634250213099 is 990312052436.

634250213099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634250213099 is a prime.

It is a super-2 number, since 2×634250213099² (a number of 24 digits) contains 22 as substring.

Together with 634250213101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (634250203099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317125106549 + 317125106550.

It is an arithmetic number, because the mean of its divisors is an integer number (317125106550).

Almost surely, 2^634250213099 is an apocalyptic number.

634250213099 is a deficient number, since it is larger than the sum of its proper divisors (1).

634250213099 is an equidigital number, since it uses as much as digits as its factorization.

634250213099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 634250213099 in words is "six hundred thirty-four billion, two hundred fifty million, two hundred thirteen thousand, ninety-nine".