9744224447 has 2 divisors, whose sum is σ = 9744224448. Its totient is φ = 9744224446.

The previous prime is 9744224443. The next prime is 9744224507. The reversal of 9744224447 is 7444224479.

It is a weak prime.

It is an emirp because it is prime and its reverse (7444224479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9744224447 - 2² = 9744224443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9744224443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872112223 + 4872112224.

It is an arithmetic number, because the mean of its divisors is an integer number (4872112224).

Almost surely, 2^9744224447 is an apocalyptic number.

9744224447 is a deficient number, since it is larger than the sum of its proper divisors (1).

9744224447 is an equidigital number, since it uses as much as digits as its factorization.

9744224447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1806336, while the sum is 47.

The square root of 9744224447 is about 98712.8383089049. The cubic root of 9744224447 is about 2135.9074290394.

The spelling of 9744224447 in words is "nine billion, seven hundred forty-four million, two hundred twenty-four thousand, four hundred forty-seven".