999613471 has 2 divisors, whose sum is σ = 999613472. Its totient is φ = 999613470.

The previous prime is 999613451. The next prime is 999613487. The reversal of 999613471 is 174316999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999613471 - 2¹⁹ = 999089183 is a prime.

It is a super-3 number, since 3×999613471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999613411) 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, 499806735 + 499806736.

It is an arithmetic number, because the mean of its divisors is an integer number (499806736).

Almost surely, 2^999613471 is an apocalyptic number.

999613471 is a deficient number, since it is larger than the sum of its proper divisors (1).

999613471 is an equidigital number, since it uses as much as digits as its factorization.

999613471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 49.

The square root of 999613471 is about 31616.6644508873. The cubic root of 999613471 is about 999.8711403959.

The spelling of 999613471 in words is "nine hundred ninety-nine million, six hundred thirteen thousand, four hundred seventy-one".