1917682371073 has 8 divisors (see below), whose sum is σ = 2202023902400. Its totient is φ = 1635937566480.

The previous prime is 1917682371043. The next prime is 1917682371083. The reversal of 1917682371073 is 3701732867191.

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

It is not a de Polignac number, because 1917682371073 - 2¹³ = 1917682362881 is a prime.

It is a super-3 number, since 3×1917682371073³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1917682371043) 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, 649180098 + ... + 649183051.

It is an arithmetic number, because the mean of its divisors is an integer number (275252987800).

Almost surely, 2^{1917682371073} is an apocalyptic number.

It is an amenable number.

1917682371073 is a deficient number, since it is larger than the sum of its proper divisors (284341531327).

1917682371073 is a wasteful number, since it uses less digits than its factorization.

1917682371073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298363367.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 1917682371073 in words is "one trillion, nine hundred seventeen billion, six hundred eighty-two million, three hundred seventy-one thousand, seventy-three".