674045899 has 2 divisors, whose sum is σ = 674045900. Its totient is φ = 674045898.

The previous prime is 674045893. The next prime is 674045917. The reversal of 674045899 is 998540476.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674045899 - 2²¹ = 671948747 is a prime.

It is not a weakly prime, because it can be changed into another prime (674045893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337022949 + 337022950.

It is an arithmetic number, because the mean of its divisors is an integer number (337022950).

Almost surely, 2^674045899 is an apocalyptic number.

674045899 is a deficient number, since it is larger than the sum of its proper divisors (1).

674045899 is an equidigital number, since it uses as much as digits as its factorization.

674045899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 674045899 is about 25962.3939381560. The cubic root of 674045899 is about 876.7918216520.

The spelling of 674045899 in words is "six hundred seventy-four million, forty-five thousand, eight hundred ninety-nine".