426103709257 has 2 divisors, whose sum is σ = 426103709258. Its totient is φ = 426103709256.

The previous prime is 426103709201. The next prime is 426103709321. The reversal of 426103709257 is 752907301624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376043674176 + 50060035081 = 613224^2 + 223741^2 .

It is a cyclic number.

It is not a de Polignac number, because 426103709257 - 2¹¹ = 426103707209 is a prime.

It is not a weakly prime, because it can be changed into another prime (426133709257) 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, 213051854628 + 213051854629.

It is an arithmetic number, because the mean of its divisors is an integer number (213051854629).

Almost surely, 2^426103709257 is an apocalyptic number.

It is an amenable number.

426103709257 is a deficient number, since it is larger than the sum of its proper divisors (1).

426103709257 is an equidigital number, since it uses as much as digits as its factorization.

426103709257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 426103709257 in words is "four hundred twenty-six billion, one hundred three million, seven hundred nine thousand, two hundred fifty-seven".