1426706269 has 2 divisors, whose sum is σ = 1426706270. Its totient is φ = 1426706268.

The previous prime is 1426706227. The next prime is 1426706279. The reversal of 1426706269 is 9626076241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 944332900 + 482373369 = 30730^2 + 21963^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426706269 - 2¹¹ = 1426704221 is a prime.

It is a super-2 number, since 2×1426706269² = 4070981556007800722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426706209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713353134 + 713353135.

It is an arithmetic number, because the mean of its divisors is an integer number (713353135).

Almost surely, 2^1426706269 is an apocalyptic number.

It is an amenable number.

1426706269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426706269 is an equidigital number, since it uses as much as digits as its factorization.

1426706269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 1426706269 is about 37771.7655001722. The cubic root of 1426706269 is about 1125.7575195047.

The spelling of 1426706269 in words is "one billion, four hundred twenty-six million, seven hundred six thousand, two hundred sixty-nine".