2124447259 has 4 divisors (see below), whose sum is σ = 2317578840. Its totient is φ = 1931315680.

The previous prime is 2124447251. The next prime is 2124447263. The reversal of 2124447259 is 9527444212.

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 2124447259 - 2³ = 2124447251 is a prime.

It is a super-2 number, since 2×2124447259² = 9026552312545226162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124447251) 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, 96565774 + ... + 96565795.

It is an arithmetic number, because the mean of its divisors is an integer number (579394710).

Almost surely, 2^2124447259 is an apocalyptic number.

2124447259 is a deficient number, since it is larger than the sum of its proper divisors (193131581).

2124447259 is a wasteful number, since it uses less digits than its factorization.

2124447259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193131580.

The product of its digits is 161280, while the sum is 40.

The square root of 2124447259 is about 46091.7265786388. The cubic root of 2124447259 is about 1285.5293148582.

The spelling of 2124447259 in words is "two billion, one hundred twenty-four million, four hundred forty-seven thousand, two hundred fifty-nine".