426422600729 has 2 divisors, whose sum is σ = 426422600730. Its totient is φ = 426422600728.

The previous prime is 426422600557. The next prime is 426422600731. The reversal of 426422600729 is 927006224624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424087488400 + 2335112329 = 651220^2 + 48323^2 .

It is a cyclic number.

It is not a de Polignac number, because 426422600729 - 2⁸ = 426422600473 is a prime.

It is a Sophie Germain prime.

Together with 426422600731, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 426422600729.

It is not a weakly prime, because it can be changed into another prime (426422600759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213211300364 + 213211300365.

It is an arithmetic number, because the mean of its divisors is an integer number (213211300365).

Almost surely, 2^426422600729 is an apocalyptic number.

It is an amenable number.

426422600729 is a deficient number, since it is larger than the sum of its proper divisors (1).

426422600729 is an equidigital number, since it uses as much as digits as its factorization.

426422600729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 426422600729 in words is "four hundred twenty-six billion, four hundred twenty-two million, six hundred thousand, seven hundred twenty-nine".