47049943 has 2 divisors, whose sum is σ = 47049944. Its totient is φ = 47049942.

The previous prime is 47049907. The next prime is 47049953. The reversal of 47049943 is 34994074.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47049943 - 2²⁵ = 13495511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47049896 and 47049905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47049953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23524971 + 23524972.

It is an arithmetic number, because the mean of its divisors is an integer number (23524972).

Almost surely, 2^47049943 is an apocalyptic number.

47049943 is a deficient number, since it is larger than the sum of its proper divisors (1).

47049943 is an equidigital number, since it uses as much as digits as its factorization.

47049943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 47049943 is about 6859.2961009130. The cubic root of 47049943 is about 361.0103894310.

The spelling of 47049943 in words is "forty-seven million, forty-nine thousand, nine hundred forty-three".