426813479 has 2 divisors, whose sum is σ = 426813480. Its totient is φ = 426813478.

The previous prime is 426813469. The next prime is 426813557. The reversal of 426813479 is 974318624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426813479 - 2¹⁶ = 426747943 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426813419) 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, 213406739 + 213406740.

It is an arithmetic number, because the mean of its divisors is an integer number (213406740).

Almost surely, 2^426813479 is an apocalyptic number.

426813479 is a deficient number, since it is larger than the sum of its proper divisors (1).

426813479 is an equidigital number, since it uses as much as digits as its factorization.

426813479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 426813479 is about 20659.4646348835. The cubic root of 426813479 is about 752.9151605124.

The spelling of 426813479 in words is "four hundred twenty-six million, eight hundred thirteen thousand, four hundred seventy-nine".