1426764289 has 16 divisors (see below), whose sum is σ = 1533079296. Its totient is φ = 1325462400.

The previous prime is 1426764281. The next prime is 1426764337. The reversal of 1426764289 is 9824676241.

It is a cyclic number.

It is not a de Polignac number, because 1426764289 - 2³ = 1426764281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426764281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61294 + ... + 81304.

It is an arithmetic number, because the mean of its divisors is an integer number (95817456).

Almost surely, 2^1426764289 is an apocalyptic number.

It is an amenable number.

1426764289 is a deficient number, since it is larger than the sum of its proper divisors (106315007).

1426764289 is a wasteful number, since it uses less digits than its factorization.

1426764289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20136.

The product of its digits is 1161216, while the sum is 49.

The square root of 1426764289 is about 37772.5335263601. The cubic root of 1426764289 is about 1125.7727797274.

The spelling of 1426764289 in words is "one billion, four hundred twenty-six million, seven hundred sixty-four thousand, two hundred eighty-nine".