674481184469 has 2 divisors, whose sum is σ = 674481184470. Its totient is φ = 674481184468.

The previous prime is 674481184441. The next prime is 674481184499. The reversal of 674481184469 is 964481184476.

674481184469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353683552369 + 320797632100 = 594713^2 + 566390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674481184469 is a prime.

It is a super-2 number, since 2×674481184469² (a number of 24 digits) 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 (674481184499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337240592234 + 337240592235.

It is an arithmetic number, because the mean of its divisors is an integer number (337240592235).

Almost surely, 2^674481184469 is an apocalyptic number.

It is an amenable number.

674481184469 is a deficient number, since it is larger than the sum of its proper divisors (1).

674481184469 is an equidigital number, since it uses as much as digits as its factorization.

674481184469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37158912, while the sum is 62.

The spelling of 674481184469 in words is "six hundred seventy-four billion, four hundred eighty-one million, one hundred eighty-four thousand, four hundred sixty-nine".