426259402501 has 2 divisors, whose sum is σ = 426259402502. Its totient is φ = 426259402500.

The previous prime is 426259402493. The next prime is 426259402537. The reversal of 426259402501 is 105204952624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247579885476 + 178679517025 = 497574^2 + 422705^2 .

It is a cyclic number.

It is not a de Polignac number, because 426259402501 - 2³ = 426259402493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426259402571) 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, 213129701250 + 213129701251.

It is an arithmetic number, because the mean of its divisors is an integer number (213129701251).

Almost surely, 2^426259402501 is an apocalyptic number.

It is an amenable number.

426259402501 is a deficient number, since it is larger than the sum of its proper divisors (1).

426259402501 is an equidigital number, since it uses as much as digits as its factorization.

426259402501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 426259402501 in words is "four hundred twenty-six billion, two hundred fifty-nine million, four hundred two thousand, five hundred one".