673686152529 has 32 divisors (see below), whose sum is σ = 971838362880. Its totient is φ = 412652470272.

The previous prime is 673686152497. The next prime is 673686152593. The reversal of 673686152529 is 925251686376.

It is not a de Polignac number, because 673686152529 - 2⁵ = 673686152497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673686156529) 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, 13676857 + ... + 13726025.

It is an arithmetic number, because the mean of its divisors is an integer number (30369948840).

Almost surely, 2^673686152529 is an apocalyptic number.

It is an amenable number.

673686152529 is a deficient number, since it is larger than the sum of its proper divisors (298152210351).

673686152529 is a wasteful number, since it uses less digits than its factorization.

673686152529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50809.

The product of its digits is 32659200, while the sum is 60.

The spelling of 673686152529 in words is "six hundred seventy-three billion, six hundred eighty-six million, one hundred fifty-two thousand, five hundred twenty-nine".