609944957 has 2 divisors, whose sum is σ = 609944958. Its totient is φ = 609944956.

The previous prime is 609944903. The next prime is 609944977. The reversal of 609944957 is 759449906.

609944957 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., 609793636 + 151321 = 24694^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 609944957 - 2¹⁰ = 609943933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 609944899 and 609944908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609944977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304972478 + 304972479.

It is an arithmetic number, because the mean of its divisors is an integer number (304972479).

Almost surely, 2^609944957 is an apocalyptic number.

It is an amenable number.

609944957 is a deficient number, since it is larger than the sum of its proper divisors (1).

609944957 is an equidigital number, since it uses as much as digits as its factorization.

609944957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 609944957 is about 24697.0637323549. The cubic root of 609944957 is about 848.0670990315.

The spelling of 609944957 in words is "six hundred nine million, nine hundred forty-four thousand, nine hundred fifty-seven".