1673312513 has 8 divisors (see below), whose sum is σ = 1727809536. Its totient is φ = 1618848000.

The previous prime is 1673312489. The next prime is 1673312561. The reversal of 1673312513 is 3152133761.

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 1673312513 - 2¹⁶ = 1673246977 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 1673312513.

It is not an unprimeable number, because it can be changed into a prime (1673312573) 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, 139088 + ... + 150638.

It is an arithmetic number, because the mean of its divisors is an integer number (215976192).

Almost surely, 2^1673312513 is an apocalyptic number.

It is an amenable number.

1673312513 is a deficient number, since it is larger than the sum of its proper divisors (54497023).

1673312513 is a wasteful number, since it uses less digits than its factorization.

1673312513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16255.

The product of its digits is 11340, while the sum is 32.

The square root of 1673312513 is about 40906.1427294239. The cubic root of 1673312513 is about 1187.2049159026.

The spelling of 1673312513 in words is "one billion, six hundred seventy-three million, three hundred twelve thousand, five hundred thirteen".