673135355359 has 4 divisors (see below), whose sum is σ = 674226337104. Its totient is φ = 672044373616.

The previous prime is 673135355357. The next prime is 673135355429. The reversal of 673135355359 is 953553531376.

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 673135355359 - 2¹ = 673135355357 is a prime.

It is a super-2 number, since 2×673135355359² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673135355357) 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, 545489947 + ... + 545491180.

It is an arithmetic number, because the mean of its divisors is an integer number (168556584276).

Almost surely, 2^673135355359 is an apocalyptic number.

673135355359 is a deficient number, since it is larger than the sum of its proper divisors (1090981745).

673135355359 is a wasteful number, since it uses less digits than its factorization.

673135355359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090981744.

The product of its digits is 19136250, while the sum is 55.

The spelling of 673135355359 in words is "six hundred seventy-three billion, one hundred thirty-five million, three hundred fifty-five thousand, three hundred fifty-nine".