2144460847 has 4 divisors (see below), whose sum is σ = 2151780120. Its totient is φ = 2137141576.

The previous prime is 2144460839. The next prime is 2144460887. The reversal of 2144460847 is 7480644412.

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 2144460847 - 2³ = 2144460839 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 (2144460827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3659197 + ... + 3659782.

It is an arithmetic number, because the mean of its divisors is an integer number (537945030).

Almost surely, 2^2144460847 is an apocalyptic number.

2144460847 is a deficient number, since it is larger than the sum of its proper divisors (7319273).

2144460847 is an equidigital number, since it uses as much as digits as its factorization.

2144460847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7319272.

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 2144460847 is about 46308.3237334283. The cubic root of 2144460847 is about 1289.5535275629.

The spelling of 2144460847 in words is "two billion, one hundred forty-four million, four hundred sixty thousand, eight hundred forty-seven".