2071889394 has 32 divisors (see below), whose sum is σ = 4162461696. Its totient is φ = 687524880.

The previous prime is 2071889387. The next prime is 2071889401. The reversal of 2071889394 is 4939881702.

It is an interprime number because it is at equal distance from previous prime (2071889387) and next prime (2071889401).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1905519 + ... + 1906605.

It is an arithmetic number, because the mean of its divisors is an integer number (130076928).

Almost surely, 2^2071889394 is an apocalyptic number.

2071889394 is an abundant number, since it is smaller than the sum of its proper divisors (2090572302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2071889394 is a wasteful number, since it uses less digits than its factorization.

2071889394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 2071889394 is about 45518.0117535905. The cubic root of 2071889394 is about 1274.8395325923.

The spelling of 2071889394 in words is "two billion, seventy-one million, eight hundred eighty-nine thousand, three hundred ninety-four".