17894978293113 has 32 divisors (see below), whose sum is σ = 26632072750080. Its totient is φ = 11875546805760.

The previous prime is 17894978293103. The next prime is 17894978293169. The reversal of 17894978293113 is 31139287949871.

17894978293113 is a `hidden beast` number, since 1 + 7 + 89 + 497 + 8 + 29 + 31 + 1 + 3 = 666.

It is not a de Polignac number, because 17894978293113 - 2⁵ = 17894978293081 is a prime.

It is a super-2 number, since 2×17894978293113² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17894978293103) 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, 80455945 + ... + 80678057.

It is an arithmetic number, because the mean of its divisors is an integer number (832252273440).

Almost surely, 2^{17894978293113} is an apocalyptic number.

It is an amenable number.

17894978293113 is a deficient number, since it is larger than the sum of its proper divisors (8737094456967).

17894978293113 is a wasteful number, since it uses less digits than its factorization.

17894978293113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235726 (or 235720 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 72.

The spelling of 17894978293113 in words is "seventeen trillion, eight hundred ninety-four billion, nine hundred seventy-eight million, two hundred ninety-three thousand, one hundred thirteen".