633994099 has 2 divisors, whose sum is σ = 633994100. Its totient is φ = 633994098.

The previous prime is 633994091. The next prime is 633994157. The reversal of 633994099 is 990499336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 633994099 - 2³ = 633994091 is a prime.

It is not a weakly prime, because it can be changed into another prime (633994091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316997049 + 316997050.

It is an arithmetic number, because the mean of its divisors is an integer number (316997050).

Almost surely, 2^633994099 is an apocalyptic number.

633994099 is a deficient number, since it is larger than the sum of its proper divisors (1).

633994099 is an equidigital number, since it uses as much as digits as its factorization.

633994099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 52.

The square root of 633994099 is about 25179.2394444312. The cubic root of 633994099 is about 859.0697074811.

The spelling of 633994099 in words is "six hundred thirty-three million, nine hundred ninety-four thousand, ninety-nine".