426622013 has 2 divisors, whose sum is σ = 426622014. Its totient is φ = 426622012.

The previous prime is 426621989. The next prime is 426622039. The reversal of 426622013 is 310226624.

It is an a-pointer prime, because the next prime (426622039) can be obtained adding 426622013 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423618724 + 3003289 = 20582^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 426622013 - 2¹⁴ = 426605629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426622043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213311006 + 213311007.

It is an arithmetic number, because the mean of its divisors is an integer number (213311007).

Almost surely, 2^426622013 is an apocalyptic number.

It is an amenable number.

426622013 is a deficient number, since it is larger than the sum of its proper divisors (1).

426622013 is an equidigital number, since it uses as much as digits as its factorization.

426622013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 426622013 is about 20654.8302583197. The cubic root of 426622013 is about 752.8025592453.

Adding to 426622013 its reverse (310226624), we get a palindrome (736848637).

The spelling of 426622013 in words is "four hundred twenty-six million, six hundred twenty-two thousand, thirteen".