2137201591 has 12 divisors (see below), whose sum is σ = 2488598112. Its totient is φ = 1830070368.

The previous prime is 2137201579. The next prime is 2137201613. The reversal of 2137201591 is 1951027312.

It is not a de Polignac number, because 2137201591 - 2¹¹ = 2137199543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137201541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29506 + ... + 71728.

It is an arithmetic number, because the mean of its divisors is an integer number (207383176).

Almost surely, 2^2137201591 is an apocalyptic number.

2137201591 is a deficient number, since it is larger than the sum of its proper divisors (351396521).

2137201591 is a wasteful number, since it uses less digits than its factorization.

2137201591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43270 (or 43263 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 2137201591 is about 46229.8776874869. The cubic root of 2137201591 is about 1288.0967850238.

The spelling of 2137201591 in words is "two billion, one hundred thirty-seven million, two hundred one thousand, five hundred ninety-one".