426516143 has 2 divisors, whose sum is σ = 426516144. Its totient is φ = 426516142.

The previous prime is 426516121. The next prime is 426516149. The reversal of 426516143 is 341615624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426516143 - 2²² = 422321839 is a prime.

It is equal to p_22672832 and since 426516143 and 22672832 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426516149) 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, 213258071 + 213258072.

It is an arithmetic number, because the mean of its divisors is an integer number (213258072).

Almost surely, 2^426516143 is an apocalyptic number.

426516143 is a deficient number, since it is larger than the sum of its proper divisors (1).

426516143 is an equidigital number, since it uses as much as digits as its factorization.

426516143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 426516143 is about 20652.2672605213. The cubic root of 426516143 is about 752.7402825710.

The spelling of 426516143 in words is "four hundred twenty-six million, five hundred sixteen thousand, one hundred forty-three".