2140550983 has 4 divisors (see below), whose sum is σ = 2145235360. Its totient is φ = 2135866608.

The previous prime is 2140550969. The next prime is 2140550999. The reversal of 2140550983 is 3890550412.

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 2140550983 - 2⁹ = 2140550471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140550953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341503 + ... + 2342416.

It is an arithmetic number, because the mean of its divisors is an integer number (536308840).

Almost surely, 2^2140550983 is an apocalyptic number.

2140550983 is a deficient number, since it is larger than the sum of its proper divisors (4684377).

2140550983 is an equidigital number, since it uses as much as digits as its factorization.

2140550983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684376.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2140550983 is about 46266.0889096971. The cubic root of 2140550983 is about 1288.7693294785.

The spelling of 2140550983 in words is "two billion, one hundred forty million, five hundred fifty thousand, nine hundred eighty-three".