673515609139 has 8 divisors (see below), whose sum is σ = 690989801040. Its totient is φ = 656091273600.

The previous prime is 673515609103. The next prime is 673515609149. The reversal of 673515609139 is 931906515376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673515609139 - 2¹⁷ = 673515478067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673515609139.

It is not an unprimeable number, because it can be changed into a prime (673515609149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12436722 + ... + 12490759.

It is an arithmetic number, because the mean of its divisors is an integer number (86373725130).

Almost surely, 2^673515609139 is an apocalyptic number.

673515609139 is a deficient number, since it is larger than the sum of its proper divisors (17474191901).

673515609139 is a wasteful number, since it uses less digits than its factorization.

673515609139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24928181.

The product of its (nonzero) digits is 4592700, while the sum is 55.

The spelling of 673515609139 in words is "six hundred seventy-three billion, five hundred fifteen million, six hundred nine thousand, one hundred thirty-nine".