1426305469 has 2 divisors, whose sum is σ = 1426305470. Its totient is φ = 1426305468.

The previous prime is 1426305467. The next prime is 1426305487. The reversal of 1426305469 is 9645036241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758341444 + 667964025 = 27538^2 + 25845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426305469 - 2¹ = 1426305467 is a prime.

It is a super-2 number, since 2×1426305469² = 4068694581798619922, which contains 22 as substring.

Together with 1426305467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426305467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713152734 + 713152735.

It is an arithmetic number, because the mean of its divisors is an integer number (713152735).

Almost surely, 2^1426305469 is an apocalyptic number.

It is an amenable number.

1426305469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426305469 is an equidigital number, since it uses as much as digits as its factorization.

1426305469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1426305469 is about 37766.4595772492. The cubic root of 1426305469 is about 1125.6520911527.

The spelling of 1426305469 in words is "one billion, four hundred twenty-six million, three hundred five thousand, four hundred sixty-nine".