2444143997 has 2 divisors, whose sum is σ = 2444143998. Its totient is φ = 2444143996.

The previous prime is 2444143981. The next prime is 2444144011. The reversal of 2444143997 is 7993414442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2387201881 + 56942116 = 48859^2 + 7546^2 .

It is a cyclic number.

It is not a de Polignac number, because 2444143997 - 2⁴ = 2444143981 is a prime.

It is a super-2 number, since 2×2444143997² = 11947679756142272018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2444143927) 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 as a sum of consecutive naturals, namely, 1222071998 + 1222071999.

It is an arithmetic number, because the mean of its divisors is an integer number (1222071999).

Almost surely, 2^2444143997 is an apocalyptic number.

It is an amenable number.

2444143997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2444143997 is an equidigital number, since it uses as much as digits as its factorization.

2444143997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 2444143997 is about 49438.2847295494. The cubic root of 2444143997 is about 1347.0248146020.

The spelling of 2444143997 in words is "two billion, four hundred forty-four million, one hundred forty-three thousand, nine hundred ninety-seven".