17879005917493 has 8 divisors (see below), whose sum is σ = 21508578547520. Its totient is φ = 14518290519360.

The previous prime is 17879005917491. The next prime is 17879005917511. The reversal of 17879005917493 is 39471950097871.

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 17879005917493 - 2¹ = 17879005917491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17879005917491) 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, 67214307828 + ... + 67214308093.

It is an arithmetic number, because the mean of its divisors is an integer number (2688572318440).

Almost surely, 2^{17879005917493} is an apocalyptic number.

It is an amenable number.

17879005917493 is a deficient number, since it is larger than the sum of its proper divisors (3629572630027).

17879005917493 is a wasteful number, since it uses less digits than its factorization.

17879005917493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134428615947.

The product of its (nonzero) digits is 120022560, while the sum is 70.

The spelling of 17879005917493 in words is "seventeen trillion, eight hundred seventy-nine billion, five million, nine hundred seventeen thousand, four hundred ninety-three".