9472240447 has 2 divisors, whose sum is σ = 9472240448. Its totient is φ = 9472240446.

The previous prime is 9472240381. The next prime is 9472240451. The reversal of 9472240447 is 7440422749.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9472240447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9472240747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4736120223 + 4736120224.

It is an arithmetic number, because the mean of its divisors is an integer number (4736120224).

Almost surely, 2^9472240447 is an apocalyptic number.

9472240447 is a deficient number, since it is larger than the sum of its proper divisors (1).

9472240447 is an equidigital number, since it uses as much as digits as its factorization.

9472240447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 43.

The square root of 9472240447 is about 97325.4357657853. The cubic root of 9472240447 is about 2115.8468923867.

The spelling of 9472240447 in words is "nine billion, four hundred seventy-two million, two hundred forty thousand, four hundred forty-seven".