47434789 has 2 divisors, whose sum is σ = 47434790. Its totient is φ = 47434788.

The previous prime is 47434787. The next prime is 47434799. The reversal of 47434789 is 98743474.

47434789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35497764 + 11937025 = 5958^2 + 3455^2 .

It is a cyclic number.

It is not a de Polignac number, because 47434789 - 2¹ = 47434787 is a prime.

Together with 47434787, it forms a pair of twin primes.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47434781) 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, 23717394 + 23717395.

It is an arithmetic number, because the mean of its divisors is an integer number (23717395).

Almost surely, 2^47434789 is an apocalyptic number.

It is an amenable number.

47434789 is a deficient number, since it is larger than the sum of its proper divisors (1).

47434789 is an equidigital number, since it uses as much as digits as its factorization.

47434789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 47434789 is about 6887.2918480343. The cubic root of 47434789 is about 361.9920152284.

The spelling of 47434789 in words is "forty-seven million, four hundred thirty-four thousand, seven hundred eighty-nine".