2071173859 has 4 divisors (see below), whose sum is σ = 2071281816. Its totient is φ = 2071065904.

The previous prime is 2071173821. The next prime is 2071173877. The reversal of 2071173859 is 9583711702.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2071173859 - 2¹³ = 2071165667 is a prime.

It is a super-2 number, since 2×2071173859² = 8579522308409903762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2071173059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16549 + ... + 66454.

It is an arithmetic number, because the mean of its divisors is an integer number (517820454).

Almost surely, 2^2071173859 is an apocalyptic number.

2071173859 is a deficient number, since it is larger than the sum of its proper divisors (107957).

2071173859 is an equidigital number, since it uses as much as digits as its factorization.

2071173859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107956.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 2071173859 is about 45510.1511643282. The cubic root of 2071173859 is about 1274.6927587768.

The spelling of 2071173859 in words is "two billion, seventy-one million, one hundred seventy-three thousand, eight hundred fifty-nine".