999470111 has 2 divisors, whose sum is σ = 999470112. Its totient is φ = 999470110.

The previous prime is 999470051. The next prime is 999470119. The reversal of 999470111 is 111074999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999470111 - 2⁶ = 999470047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999470119) 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, 499735055 + 499735056.

It is an arithmetic number, because the mean of its divisors is an integer number (499735056).

Almost surely, 2^999470111 is an apocalyptic number.

999470111 is a deficient number, since it is larger than the sum of its proper divisors (1).

999470111 is an equidigital number, since it uses as much as digits as its factorization.

999470111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 999470111 is about 31614.3972107646. The cubic root of 999470111 is about 999.8233391261.

The spelling of 999470111 in words is "nine hundred ninety-nine million, four hundred seventy thousand, one hundred eleven".