426743805503 has 2 divisors, whose sum is σ = 426743805504. Its totient is φ = 426743805502.

The previous prime is 426743805487. The next prime is 426743805547. The reversal of 426743805503 is 305508347624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426743805503 - 2⁴ = 426743805487 is a prime.

It is a super-2 number, since 2×426743805503² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426743805203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213371902751 + 213371902752.

It is an arithmetic number, because the mean of its divisors is an integer number (213371902752).

Almost surely, 2^426743805503 is an apocalyptic number.

426743805503 is a deficient number, since it is larger than the sum of its proper divisors (1).

426743805503 is an equidigital number, since it uses as much as digits as its factorization.

426743805503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 426743805503 in words is "four hundred twenty-six billion, seven hundred forty-three million, eight hundred five thousand, five hundred three".