426244043587 has 2 divisors, whose sum is σ = 426244043588. Its totient is φ = 426244043586.

The previous prime is 426244043579. The next prime is 426244043591. The reversal of 426244043587 is 785340442624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426244043587 - 2³ = 426244043579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426244043587.

It is not a weakly prime, because it can be changed into another prime (426244043557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213122021793 + 213122021794.

It is an arithmetic number, because the mean of its divisors is an integer number (213122021794).

Almost surely, 2^426244043587 is an apocalyptic number.

426244043587 is a deficient number, since it is larger than the sum of its proper divisors (1).

426244043587 is an equidigital number, since it uses as much as digits as its factorization.

426244043587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 49.

The spelling of 426244043587 in words is "four hundred twenty-six billion, two hundred forty-four million, forty-three thousand, five hundred eighty-seven".