426016999 has 2 divisors, whose sum is σ = 426017000. Its totient is φ = 426016998.

The previous prime is 426016979. The next prime is 426017023. The reversal of 426016999 is 999610624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426016999 - 2¹⁵ = 425984231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426016909) 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, 213008499 + 213008500.

It is an arithmetic number, because the mean of its divisors is an integer number (213008500).

Almost surely, 2^426016999 is an apocalyptic number.

426016999 is a deficient number, since it is larger than the sum of its proper divisors (1).

426016999 is an equidigital number, since it uses as much as digits as its factorization.

426016999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 426016999 is about 20640.1792385628. The cubic root of 426016999 is about 752.4465285787.

The spelling of 426016999 in words is "four hundred twenty-six million, sixteen thousand, nine hundred ninety-nine".