674172003529 has 2 divisors, whose sum is σ = 674172003530. Its totient is φ = 674172003528.

The previous prime is 674172003469. The next prime is 674172003539. The reversal of 674172003529 is 925300271476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513727695504 + 160444308025 = 716748^2 + 400555^2 .

It is a cyclic number.

It is not a de Polignac number, because 674172003529 - 2²³ = 674163614921 is a prime.

It is not a weakly prime, because it can be changed into another prime (674172003539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337086001764 + 337086001765.

It is an arithmetic number, because the mean of its divisors is an integer number (337086001765).

Almost surely, 2^674172003529 is an apocalyptic number.

It is an amenable number.

674172003529 is a deficient number, since it is larger than the sum of its proper divisors (1).

674172003529 is an equidigital number, since it uses as much as digits as its factorization.

674172003529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 674172003529 in words is "six hundred seventy-four billion, one hundred seventy-two million, three thousand, five hundred twenty-nine".