2071894943 has 8 divisors (see below), whose sum is σ = 2123510256. Its totient is φ = 2020331200.

The previous prime is 2071894939. The next prime is 2071894961. The reversal of 2071894943 is 3494981702.

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 2071894943 - 2² = 2071894939 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 (2071894933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75980 + ... + 99582.

It is an arithmetic number, because the mean of its divisors is an integer number (265438782).

Almost surely, 2^2071894943 is an apocalyptic number.

2071894943 is a deficient number, since it is larger than the sum of its proper divisors (51615313).

2071894943 is a wasteful number, since it uses less digits than its factorization.

2071894943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25785.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 2071894943 is about 45518.0727074423. The cubic root of 2071894943 is about 1274.8406706966.

The spelling of 2071894943 in words is "two billion, seventy-one million, eight hundred ninety-four thousand, nine hundred forty-three".