426624479 has 2 divisors, whose sum is σ = 426624480. Its totient is φ = 426624478.

The previous prime is 426624433. The next prime is 426624521. The reversal of 426624479 is 974426624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426624479 - 2⁸ = 426624223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426624409) 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, 213312239 + 213312240.

It is an arithmetic number, because the mean of its divisors is an integer number (213312240).

Almost surely, 2^426624479 is an apocalyptic number.

426624479 is a deficient number, since it is larger than the sum of its proper divisors (1).

426624479 is an equidigital number, since it uses as much as digits as its factorization.

426624479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 44.

The square root of 426624479 is about 20654.8899537131. The cubic root of 426624479 is about 752.8040097155.

The spelling of 426624479 in words is "four hundred twenty-six million, six hundred twenty-four thousand, four hundred seventy-nine".