426673913 has 2 divisors, whose sum is σ = 426673914. Its totient is φ = 426673912.

The previous prime is 426673901. The next prime is 426673969. The reversal of 426673913 is 319376624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423824569 + 2849344 = 20587^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 426673913 - 2⁸ = 426673657 is a prime.

It is a Chen prime.

It is equal to p_22680788 and since 426673913 and 22680788 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (426673213) 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, 213336956 + 213336957.

It is an arithmetic number, because the mean of its divisors is an integer number (213336957).

Almost surely, 2^426673913 is an apocalyptic number.

It is an amenable number.

426673913 is a deficient number, since it is larger than the sum of its proper divisors (1).

426673913 is an equidigital number, since it uses as much as digits as its factorization.

426673913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 426673913 is about 20656.0865848301. The cubic root of 426673913 is about 752.8330849937.

The spelling of 426673913 in words is "four hundred twenty-six million, six hundred seventy-three thousand, nine hundred thirteen".