673489357863 has 32 divisors (see below), whose sum is σ = 1033781446656. Its totient is φ = 382044315648.

The previous prime is 673489357837. The next prime is 673489357883. The reversal of 673489357863 is 368753984376.

It is not a de Polignac number, because 673489357863 - 2⁹ = 673489357351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673489357883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1368370 + ... + 1794272.

It is an arithmetic number, because the mean of its divisors is an integer number (32305670208).

Almost surely, 2^673489357863 is an apocalyptic number.

673489357863 is a deficient number, since it is larger than the sum of its proper divisors (360292088793).

673489357863 is a wasteful number, since it uses less digits than its factorization.

673489357863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426463.

The product of its digits is 548674560, while the sum is 69.

The spelling of 673489357863 in words is "six hundred seventy-three billion, four hundred eighty-nine million, three hundred fifty-seven thousand, eight hundred sixty-three".