84469529 has 2 divisors, whose sum is σ = 84469530. Its totient is φ = 84469528.

The previous prime is 84469493. The next prime is 84469537. The reversal of 84469529 is 92596448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77915929 + 6553600 = 8827^2 + 2560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84469529 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (84469129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42234764 + 42234765.

It is an arithmetic number, because the mean of its divisors is an integer number (42234765).

Almost surely, 2^84469529 is an apocalyptic number.

It is an amenable number.

84469529 is a deficient number, since it is larger than the sum of its proper divisors (1).

84469529 is an equidigital number, since it uses as much as digits as its factorization.

84469529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 84469529 is about 9190.7306020795. The cubic root of 84469529 is about 438.7663948441.

The spelling of 84469529 in words is "eighty-four million, four hundred sixty-nine thousand, five hundred twenty-nine".