2041971591 has 48 divisors (see below), whose sum is σ = 3155338368. Its totient is φ = 1164715200.

The previous prime is 2041971587. The next prime is 2041971593. The reversal of 2041971591 is 1951791402.

2041971591 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2041971591 - 2² = 2041971587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041971593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2155780 + ... + 2156726.

It is an arithmetic number, because the mean of its divisors is an integer number (65736216).

Almost surely, 2^2041971591 is an apocalyptic number.

2041971591 is a deficient number, since it is larger than the sum of its proper divisors (1113366777).

2041971591 is a wasteful number, since it uses less digits than its factorization.

2041971591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 2041971591 is about 45188.1797708206. The cubic root of 2041971591 is about 1268.6735879758.

The spelling of 2041971591 in words is "two billion, forty-one million, nine hundred seventy-one thousand, five hundred ninety-one".