673450511705 has 16 divisors (see below), whose sum is σ = 834447535104. Its totient is φ = 521232373440.

The previous prime is 673450511689. The next prime is 673450511743. The reversal of 673450511705 is 507115054376.

It is a happy number.

It is not a de Polignac number, because 673450511705 - 2⁴ = 673450511689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72557 + ... + 1162826.

It is an arithmetic number, because the mean of its divisors is an integer number (52152970944).

Almost surely, 2^673450511705 is an apocalyptic number.

It is an amenable number.

673450511705 is a deficient number, since it is larger than the sum of its proper divisors (160997023399).

673450511705 is a wasteful number, since it uses less digits than its factorization.

673450511705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238936.

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 673450511705 in words is "six hundred seventy-three billion, four hundred fifty million, five hundred eleven thousand, seven hundred five".