426712999 has 2 divisors, whose sum is σ = 426713000. Its totient is φ = 426712998.

The previous prime is 426712961. The next prime is 426713041. The reversal of 426712999 is 999217624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426712999 - 2¹⁷ = 426581927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426712199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213356499 + 213356500.

It is an arithmetic number, because the mean of its divisors is an integer number (213356500).

Almost surely, 2^426712999 is an apocalyptic number.

426712999 is a deficient number, since it is larger than the sum of its proper divisors (1).

426712999 is an equidigital number, since it uses as much as digits as its factorization.

426712999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The square root of 426712999 is about 20657.0326765487. The cubic root of 426712999 is about 752.8560723654.

The spelling of 426712999 in words is "four hundred twenty-six million, seven hundred twelve thousand, nine hundred ninety-nine".