47454943 has 2 divisors, whose sum is σ = 47454944. Its totient is φ = 47454942.

The previous prime is 47454941. The next prime is 47454959. The reversal of 47454943 is 34945474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47454943 - 2¹ = 47454941 is a prime.

Together with 47454941, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 47454896 and 47454905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47454941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23727471 + 23727472.

It is an arithmetic number, because the mean of its divisors is an integer number (23727472).

Almost surely, 2^47454943 is an apocalyptic number.

47454943 is a deficient number, since it is larger than the sum of its proper divisors (1).

47454943 is an equidigital number, since it uses as much as digits as its factorization.

47454943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The square root of 47454943 is about 6888.7548221721. The cubic root of 47454943 is about 362.0432754548.

The spelling of 47454943 in words is "forty-seven million, four hundred fifty-four thousand, nine hundred forty-three".