673355668583 has 4 divisors (see below), whose sum is σ = 725152258488. Its totient is φ = 621559078680.

The previous prime is 673355668571. The next prime is 673355668597. The reversal of 673355668583 is 385866553376.

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 673355668583 - 2¹⁰ = 673355667559 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 (673355668543) 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, 25898294933 + ... + 25898294958.

It is an arithmetic number, because the mean of its divisors is an integer number (181288064622).

Almost surely, 2^673355668583 is an apocalyptic number.

673355668583 is a deficient number, since it is larger than the sum of its proper divisors (51796589905).

673355668583 is a wasteful number, since it uses less digits than its factorization.

673355668583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51796589904.

The product of its digits is 326592000, while the sum is 65.

The spelling of 673355668583 in words is "six hundred seventy-three billion, three hundred fifty-five million, six hundred sixty-eight thousand, five hundred eighty-three".