9049448747 has 2 divisors, whose sum is σ = 9049448748. Its totient is φ = 9049448746.

The previous prime is 9049448743. The next prime is 9049448767. The reversal of 9049448747 is 7478449409.

9049448747 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7478449409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9049448747 - 2² = 9049448743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9049448692 and 9049448701.

It is not a weakly prime, because it can be changed into another prime (9049448743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4524724373 + 4524724374.

It is an arithmetic number, because the mean of its divisors is an integer number (4524724374).

Almost surely, 2^9049448747 is an apocalyptic number.

9049448747 is a deficient number, since it is larger than the sum of its proper divisors (1).

9049448747 is an equidigital number, since it uses as much as digits as its factorization.

9049448747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The square root of 9049448747 is about 95128.5905866370. The cubic root of 9049448747 is about 2083.8864058187.

The spelling of 9049448747 in words is "nine billion, forty-nine million, four hundred forty-eight thousand, seven hundred forty-seven".