2129253514 has 4 divisors (see below), whose sum is σ = 3193880274. Its totient is φ = 1064626756.

The previous prime is 2129253479. The next prime is 2129253517. The reversal of 2129253514 is 4153529212.

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

It can be written as a sum of positive squares in only one way, i.e., 1407525289 + 721728225 = 37517^2 + 26865^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2129253514.

It is not an unprimeable number, because it can be changed into a prime (2129253517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532313377 + ... + 532313380.

Almost surely, 2^2129253514 is an apocalyptic number.

2129253514 is a deficient number, since it is larger than the sum of its proper divisors (1064626760).

2129253514 is a wasteful number, since it uses less digits than its factorization.

2129253514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064626759.

The product of its digits is 21600, while the sum is 34.

The square root of 2129253514 is about 46143.8350595180. The cubic root of 2129253514 is about 1286.4980261525.

The spelling of 2129253514 in words is "two billion, one hundred twenty-nine million, two hundred fifty-three thousand, five hundred fourteen".