674664611 has 2 divisors, whose sum is σ = 674664612. Its totient is φ = 674664610.

The previous prime is 674664593. The next prime is 674664619. The reversal of 674664611 is 116466476.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674664611 is a prime.

It is not a weakly prime, because it can be changed into another prime (674664619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337332305 + 337332306.

It is an arithmetic number, because the mean of its divisors is an integer number (337332306).

Almost surely, 2^674664611 is an apocalyptic number.

674664611 is a deficient number, since it is larger than the sum of its proper divisors (1).

674664611 is an equidigital number, since it uses as much as digits as its factorization.

674664611 is an evil number, because the sum of its binary digits is even.

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

The square root of 674664611 is about 25974.3067472454. The cubic root of 674664611 is about 877.0600109668.

The spelling of 674664611 in words is "six hundred seventy-four million, six hundred sixty-four thousand, six hundred eleven".