2017860013 has 8 divisors (see below), whose sum is σ = 2179939608. Its totient is φ = 1856760384.

The previous prime is 2017859959. The next prime is 2017860017. The reversal of 2017860013 is 3100687102.

It can be written as a sum of positive squares in 4 ways, for example, as 103184964 + 1914675049 = 10158^2 + 43757^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2017860013 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 (2017860017) 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, 240706 + ... + 248947.

It is an arithmetic number, because the mean of its divisors is an integer number (272492451).

Almost surely, 2^2017860013 is an apocalyptic number.

It is an amenable number.

2017860013 is a deficient number, since it is larger than the sum of its proper divisors (162079595).

2017860013 is a wasteful number, since it uses less digits than its factorization.

2017860013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489983.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2017860013 is about 44920.5967569444. The cubic root of 2017860013 is about 1263.6603090702.

The spelling of 2017860013 in words is "two billion, seventeen million, eight hundred sixty thousand, thirteen".