47100448909 has 2 divisors, whose sum is σ = 47100448910. Its totient is φ = 47100448908.

The previous prime is 47100448907. The next prime is 47100448937. The reversal of 47100448909 is 90984400174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46532961225 + 567487684 = 215715^2 + 23822^2 .

It is a cyclic number.

It is not a de Polignac number, because 47100448909 - 2¹ = 47100448907 is a prime.

Together with 47100448907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47100448907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23550224454 + 23550224455.

It is an arithmetic number, because the mean of its divisors is an integer number (23550224455).

Almost surely, 2^47100448909 is an apocalyptic number.

It is an amenable number.

47100448909 is a deficient number, since it is larger than the sum of its proper divisors (1).

47100448909 is an equidigital number, since it uses as much as digits as its factorization.

47100448909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 47100448909 in words is "forty-seven billion, one hundred million, four hundred forty-eight thousand, nine hundred nine".