609994633 has 2 divisors, whose sum is σ = 609994634. Its totient is φ = 609994632.

The previous prime is 609994579. The next prime is 609994673. The reversal of 609994633 is 336499906.

609994633 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 can be written as a sum of positive squares in only one way, i.e., 406304649 + 203689984 = 20157^2 + 14272^2 .

It is a cyclic number.

It is not a de Polignac number, because 609994633 - 2²¹ = 607897481 is a prime.

It is not a weakly prime, because it can be changed into another prime (609994673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304997316 + 304997317.

It is an arithmetic number, because the mean of its divisors is an integer number (304997317).

Almost surely, 2^609994633 is an apocalyptic number.

It is an amenable number.

609994633 is a deficient number, since it is larger than the sum of its proper divisors (1).

609994633 is an equidigital number, since it uses as much as digits as its factorization.

609994633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 49.

The square root of 609994633 is about 24698.0694184788. The cubic root of 609994633 is about 848.0901215666.

The spelling of 609994633 in words is "six hundred nine million, nine hundred ninety-four thousand, six hundred thirty-three".