2071895994 has 24 divisors (see below), whose sum is σ = 5130409440. Its totient is φ = 591970248.

The previous prime is 2071895989. The next prime is 2071895999. The reversal of 2071895994 is 4995981702.

It is an interprime number because it is at equal distance from previous prime (2071895989) and next prime (2071895999).

It is a self number, because there is not a number n which added to its sum of digits gives 2071895994.

It is not an unprimeable number, because it can be changed into a prime (2071895999) 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 11 ways as a sum of consecutive naturals, for example, 8221684 + ... + 8221935.

It is an arithmetic number, because the mean of its divisors is an integer number (213767060).

Almost surely, 2^2071895994 is an apocalyptic number.

2071895994 is an abundant number, since it is smaller than the sum of its proper divisors (3058513446).

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

2071895994 is a wasteful number, since it uses less digits than its factorization.

2071895994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16443634 (or 16443631 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The square root of 2071895994 is about 45518.0842523057. The cubic root of 2071895994 is about 1274.8408862572.

The spelling of 2071895994 in words is "two billion, seventy-one million, eight hundred ninety-five thousand, nine hundred ninety-four".