2089691571 has 8 divisors (see below), whose sum is σ = 3039551424. Its totient is φ = 1266479720.

The previous prime is 2089691563. The next prime is 2089691621. The reversal of 2089691571 is 1751969802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2089691571 - 2³ = 2089691563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2089691571.

It is not an unprimeable number, because it can be changed into a prime (2089691521) 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 7 ways as a sum of consecutive naturals, for example, 31661961 + ... + 31662026.

It is an arithmetic number, because the mean of its divisors is an integer number (379943928).

Almost surely, 2^2089691571 is an apocalyptic number.

2089691571 is a deficient number, since it is larger than the sum of its proper divisors (949859853).

2089691571 is a wasteful number, since it uses less digits than its factorization.

2089691571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63324001.

The product of its (nonzero) digits is 272160, while the sum is 48.

The square root of 2089691571 is about 45713.1444007082. The cubic root of 2089691571 is about 1278.4803684232.

The spelling of 2089691571 in words is "two billion, eighty-nine million, six hundred ninety-one thousand, five hundred seventy-one".