673042137599 has 4 divisors (see below), whose sum is σ = 724814609736. Its totient is φ = 621269665464.

The previous prime is 673042137583. The next prime is 673042137629. The reversal of 673042137599 is 995731240376.

673042137599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 673042137599 - 2⁴ = 673042137583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673042137539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25886236049 + ... + 25886236074.

It is an arithmetic number, because the mean of its divisors is an integer number (181203652434).

Almost surely, 2^673042137599 is an apocalyptic number.

673042137599 is a deficient number, since it is larger than the sum of its proper divisors (51772472137).

673042137599 is a wasteful number, since it uses less digits than its factorization.

673042137599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51772472136.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The spelling of 673042137599 in words is "six hundred seventy-three billion, forty-two million, one hundred thirty-seven thousand, five hundred ninety-nine".