674343469 has 2 divisors, whose sum is σ = 674343470. Its totient is φ = 674343468.

The previous prime is 674343443. The next prime is 674343479. The reversal of 674343469 is 964343476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489736900 + 184606569 = 22130^2 + 13587^2 .

It is a cyclic number.

It is not a de Polignac number, because 674343469 - 2¹⁵ = 674310701 is a prime.

It is a super-2 number, since 2×674343469² = 909478228365907922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674343479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337171734 + 337171735.

It is an arithmetic number, because the mean of its divisors is an integer number (337171735).

Almost surely, 2^674343469 is an apocalyptic number.

It is an amenable number.

674343469 is a deficient number, since it is larger than the sum of its proper divisors (1).

674343469 is an equidigital number, since it uses as much as digits as its factorization.

674343469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 46.

The square root of 674343469 is about 25968.1240947435. The cubic root of 674343469 is about 876.9208279794.

The spelling of 674343469 in words is "six hundred seventy-four million, three hundred forty-three thousand, four hundred sixty-nine".