674144773620243 has 16 divisors (see below), whose sum is σ = 936526715974656. Its totient is φ = 430867325913120.

The previous prime is 674144773620203. The next prime is 674144773620257. The reversal of 674144773620243 is 342026377441476.

It is a happy number.

It is not a de Polignac number, because 674144773620243 - 2⁸ = 674144773619987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674144773620203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33873207496 + ... + 33873227397.

It is an arithmetic number, because the mean of its divisors is an integer number (58532919748416).

Almost surely, 2^{674144773620243} is an apocalyptic number.

674144773620243 is a deficient number, since it is larger than the sum of its proper divisors (262381942354413).

674144773620243 is a wasteful number, since it uses less digits than its factorization.

674144773620243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67746435034.

The product of its (nonzero) digits is 113799168, while the sum is 60.

The spelling of 674144773620243 in words is "six hundred seventy-four trillion, one hundred forty-four billion, seven hundred seventy-three million, six hundred twenty thousand, two hundred forty-three".