609093761 has 2 divisors, whose sum is σ = 609093762. Its totient is φ = 609093760.

The previous prime is 609093743. The next prime is 609093763. The reversal of 609093761 is 167390906.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 553143361 + 55950400 = 23519^2 + 7480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609093761 is a prime.

Together with 609093763, 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 (609093763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304546880 + 304546881.

It is an arithmetic number, because the mean of its divisors is an integer number (304546881).

Almost surely, 2^609093761 is an apocalyptic number.

It is an amenable number.

609093761 is a deficient number, since it is larger than the sum of its proper divisors (1).

609093761 is an equidigital number, since it uses as much as digits as its factorization.

609093761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 609093761 is about 24679.8249791201. The cubic root of 609093761 is about 847.6724145756.

The spelling of 609093761 in words is "six hundred nine million, ninety-three thousand, seven hundred sixty-one".