426673901 has 2 divisors, whose sum is σ = 426673902. Its totient is φ = 426673900.

The previous prime is 426673883. The next prime is 426673913. The reversal of 426673901 is 109376624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423948100 + 2725801 = 20590^2 + 1651^2 .

It is a cyclic number.

It is not a de Polignac number, because 426673901 - 2¹⁰ = 426672877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426673991) 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, 213336950 + 213336951.

It is an arithmetic number, because the mean of its divisors is an integer number (213336951).

Almost surely, 2^426673901 is an apocalyptic number.

It is an amenable number.

426673901 is a deficient number, since it is larger than the sum of its proper divisors (1).

426673901 is an equidigital number, since it uses as much as digits as its factorization.

426673901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 426673901 is about 20656.0862943589. The cubic root of 426673901 is about 752.8330779360.

The spelling of 426673901 in words is "four hundred twenty-six million, six hundred seventy-three thousand, nine hundred one".