609194741 has 2 divisors, whose sum is σ = 609194742. Its totient is φ = 609194740.

The previous prime is 609194737. The next prime is 609194783. The reversal of 609194741 is 147491906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416568100 + 192626641 = 20410^2 + 13879^2 .

It is a cyclic number.

It is not a de Polignac number, because 609194741 - 2² = 609194737 is a prime.

It is a super-2 number, since 2×609194741² = 742236464924114162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609194041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304597370 + 304597371.

It is an arithmetic number, because the mean of its divisors is an integer number (304597371).

Almost surely, 2^609194741 is an apocalyptic number.

It is an amenable number.

609194741 is a deficient number, since it is larger than the sum of its proper divisors (1).

609194741 is an equidigital number, since it uses as much as digits as its factorization.

609194741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 609194741 is about 24681.8706949048. The cubic root of 609194741 is about 847.7192564227.

The spelling of 609194741 in words is "six hundred nine million, one hundred ninety-four thousand, seven hundred forty-one".