47098409 has 2 divisors, whose sum is σ = 47098410. Its totient is φ = 47098408.

The previous prime is 47098399. The next prime is 47098417. The reversal of 47098409 is 90489074.

47098409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47059600 + 38809 = 6860^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 47098409 - 2¹⁶ = 47032873 is a prime.

It is not a weakly prime, because it can be changed into another prime (47098309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23549204 + 23549205.

It is an arithmetic number, because the mean of its divisors is an integer number (23549205).

Almost surely, 2^47098409 is an apocalyptic number.

It is an amenable number.

47098409 is a deficient number, since it is larger than the sum of its proper divisors (1).

47098409 is an equidigital number, since it uses as much as digits as its factorization.

47098409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 47098409 is about 6862.8280613753. The cubic root of 47098409 is about 361.1343054521.

The spelling of 47098409 in words is "forty-seven million, ninety-eight thousand, four hundred nine".