426313819 has 2 divisors, whose sum is σ = 426313820. Its totient is φ = 426313818.

The previous prime is 426313801. The next prime is 426313841. The reversal of 426313819 is 918313624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426313819 - 2¹⁷ = 426182747 is a prime.

It is a super-2 number, since 2×426313819² = 363486944540729522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426316819) 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, 213156909 + 213156910.

It is an arithmetic number, because the mean of its divisors is an integer number (213156910).

Almost surely, 2^426313819 is an apocalyptic number.

426313819 is a deficient number, since it is larger than the sum of its proper divisors (1).

426313819 is an equidigital number, since it uses as much as digits as its factorization.

426313819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 426313819 is about 20647.3683310973. The cubic root of 426313819 is about 752.6212393919.

The spelling of 426313819 in words is "four hundred twenty-six million, three hundred thirteen thousand, eight hundred nineteen".