2137081963 has 4 divisors (see below), whose sum is σ = 2182551840. Its totient is φ = 2091612088.

The previous prime is 2137081939. The next prime is 2137081967. The reversal of 2137081963 is 3691807312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2137081963 - 2⁵ = 2137081931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137081967) 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 3 ways as a sum of consecutive naturals, for example, 22734868 + ... + 22734961.

It is an arithmetic number, because the mean of its divisors is an integer number (545637960).

Almost surely, 2^2137081963 is an apocalyptic number.

2137081963 is a deficient number, since it is larger than the sum of its proper divisors (45469877).

2137081963 is an equidigital number, since it uses as much as digits as its factorization.

2137081963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45469876.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 2137081963 is about 46228.5838307859. The cubic root of 2137081963 is about 1288.0727512097.

The spelling of 2137081963 in words is "two billion, one hundred thirty-seven million, eighty-one thousand, nine hundred sixty-three".