674360549 has 2 divisors, whose sum is σ = 674360550. Its totient is φ = 674360548.

The previous prime is 674360543. The next prime is 674360567. The reversal of 674360549 is 945063476.

674360549 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., 384748225 + 289612324 = 19615^2 + 17018^2 .

It is a cyclic number.

It is not a de Polignac number, because 674360549 - 2¹² = 674356453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674360543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337180274 + 337180275.

It is an arithmetic number, because the mean of its divisors is an integer number (337180275).

Almost surely, 2^674360549 is an apocalyptic number.

It is an amenable number.

674360549 is a deficient number, since it is larger than the sum of its proper divisors (1).

674360549 is an equidigital number, since it uses as much as digits as its factorization.

674360549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 674360549 is about 25968.4529573866. The cubic root of 674360549 is about 876.9282315662.

The spelling of 674360549 in words is "six hundred seventy-four million, three hundred sixty thousand, five hundred forty-nine".