673636495585 has 16 divisors (see below), whose sum is σ = 834474055680. Its totient is φ = 521503773120.

The previous prime is 673636495583. The next prime is 673636495663. The reversal of 673636495585 is 585594636376.

It is not a de Polignac number, because 673636495585 - 2¹ = 673636495583 is a prime.

It is a super-2 number, since 2×673636495585² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673636495585.

It is not an unprimeable number, because it can be changed into a prime (673636495583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4486711 + ... + 4634419.

It is an arithmetic number, because the mean of its divisors is an integer number (52154628480).

Almost surely, 2^673636495585 is an apocalyptic number.

It is an amenable number.

673636495585 is a deficient number, since it is larger than the sum of its proper divisors (160837560095).

673636495585 is a wasteful number, since it uses less digits than its factorization.

673636495585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177168.

The product of its digits is 489888000, while the sum is 67.

The spelling of 673636495585 in words is "six hundred seventy-three billion, six hundred thirty-six million, four hundred ninety-five thousand, five hundred eighty-five".