2130232749 has 4 divisors (see below), whose sum is σ = 2840310336. Its totient is φ = 1420155164.

The previous prime is 2130232739. The next prime is 2130232751. The reversal of 2130232749 is 9472320312.

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 not a de Polignac number, because 2130232749 - 2²³ = 2121844141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130232739) 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, 355038789 + ... + 355038794.

It is an arithmetic number, because the mean of its divisors is an integer number (710077584).

Almost surely, 2^2130232749 is an apocalyptic number.

It is an amenable number.

2130232749 is a deficient number, since it is larger than the sum of its proper divisors (710077587).

2130232749 is an equidigital number, since it uses as much as digits as its factorization.

2130232749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710077586.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 2130232749 is about 46154.4445205443. Note that the first 3 decimals coincide. The cubic root of 2130232749 is about 1286.6952143239.

The spelling of 2130232749 in words is "two billion, one hundred thirty million, two hundred thirty-two thousand, seven hundred forty-nine".