2140530653 has 4 divisors (see below), whose sum is σ = 2161312608. Its totient is φ = 2119748700.

The previous prime is 2140530643. The next prime is 2140530701. The reversal of 2140530653 is 3560350412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140530653 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 (2140530643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10390823 + ... + 10391028.

It is an arithmetic number, because the mean of its divisors is an integer number (540328152).

Almost surely, 2^2140530653 is an apocalyptic number.

It is an amenable number.

2140530653 is a deficient number, since it is larger than the sum of its proper divisors (20781955).

2140530653 is a wasteful number, since it uses less digits than its factorization.

2140530653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20781954.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2140530653 is about 46265.8692018209. The cubic root of 2140530653 is about 1288.7652494132.

The spelling of 2140530653 in words is "two billion, one hundred forty million, five hundred thirty thousand, six hundred fifty-three".