674348009 has 2 divisors, whose sum is σ = 674348010. Its totient is φ = 674348008.

The previous prime is 674347987. The next prime is 674348021. The reversal of 674348009 is 900843476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 673921600 + 426409 = 25960^2 + 653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674348009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (674348039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337174004 + 337174005.

It is an arithmetic number, because the mean of its divisors is an integer number (337174005).

Almost surely, 2^674348009 is an apocalyptic number.

It is an amenable number.

674348009 is a deficient number, since it is larger than the sum of its proper divisors (1).

674348009 is an equidigital number, since it uses as much as digits as its factorization.

674348009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 674348009 is about 25968.2115094590. The cubic root of 674348009 is about 876.9227959239.

The spelling of 674348009 in words is "six hundred seventy-four million, three hundred forty-eight thousand, nine".