2189071071 has 96 divisors (see below), whose sum is σ = 3673889856. Its totient is φ = 1244160000.

The previous prime is 2189071067. The next prime is 2189071081. The reversal of 2189071071 is 1701709812.

It is not a de Polignac number, because 2189071071 - 2² = 2189071067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189071081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21673921 + ... + 21674021.

It is an arithmetic number, because the mean of its divisors is an integer number (38269686).

Almost surely, 2^2189071071 is an apocalyptic number.

2189071071 is a deficient number, since it is larger than the sum of its proper divisors (1484818785).

2189071071 is a wasteful number, since it uses less digits than its factorization.

2189071071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The square root of 2189071071 is about 46787.5097755801. The cubic root of 2189071071 is about 1298.4342235465.

The spelling of 2189071071 in words is "two billion, one hundred eighty-nine million, seventy-one thousand, seventy-one".