2144344451 has 2 divisors, whose sum is σ = 2144344452. Its totient is φ = 2144344450.

The previous prime is 2144344429. The next prime is 2144344481. The reversal of 2144344451 is 1544434412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144344451 - 2¹⁸ = 2144082307 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144344421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072172225 + 1072172226.

It is an arithmetic number, because the mean of its divisors is an integer number (1072172226).

Almost surely, 2^2144344451 is an apocalyptic number.

2144344451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144344451 is an equidigital number, since it uses as much as digits as its factorization.

2144344451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 32.

The square root of 2144344451 is about 46307.0669660690. The cubic root of 2144344451 is about 1289.5301958883.

Adding to 2144344451 its reverse (1544434412), we get a palindrome (3688778863).

The spelling of 2144344451 in words is "two billion, one hundred forty-four million, three hundred forty-four thousand, four hundred fifty-one".