17145742873 has 8 divisors (see below), whose sum is σ = 19712472192. Its totient is φ = 14608347936.

The previous prime is 17145742871. The next prime is 17145742883. The reversal of 17145742873 is 37824754171.

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

It is not a de Polignac number, because 17145742873 - 2¹ = 17145742871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17145742871) 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, 7332340 + ... + 7334677.

It is an arithmetic number, because the mean of its divisors is an integer number (2464059024).

Almost surely, 2^17145742873 is an apocalyptic number.

It is an amenable number.

17145742873 is a deficient number, since it is larger than the sum of its proper divisors (2566729319).

17145742873 is a wasteful number, since it uses less digits than its factorization.

17145742873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14667191.

The product of its digits is 1317120, while the sum is 49.

The spelling of 17145742873 in words is "seventeen billion, one hundred forty-five million, seven hundred forty-two thousand, eight hundred seventy-three".