2123241249 has 4 divisors (see below), whose sum is σ = 2830988336. Its totient is φ = 1415494164.

The previous prime is 2123241247. The next prime is 2123241259. The reversal of 2123241249 is 9421423212.

2123241249 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2123241249 - 2¹ = 2123241247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123241247) 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, 353873539 + ... + 353873544.

It is an arithmetic number, because the mean of its divisors is an integer number (707747084).

Almost surely, 2^2123241249 is an apocalyptic number.

It is an amenable number.

2123241249 is a deficient number, since it is larger than the sum of its proper divisors (707747087).

2123241249 is an equidigital number, since it uses as much as digits as its factorization.

2123241249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707747086.

The product of its digits is 6912, while the sum is 30.

The square root of 2123241249 is about 46078.6420047293. The cubic root of 2123241249 is about 1285.2860116232.

It can be divided in two parts, 21232 and 41249, that added together give a triangular number (62481 = T₃₅₃).

The spelling of 2123241249 in words is "two billion, one hundred twenty-three million, two hundred forty-one thousand, two hundred forty-nine".