1426533889 has 16 divisors (see below), whose sum is σ = 1658880000. Its totient is φ = 1213027920.

The previous prime is 1426533883. The next prime is 1426533893. The reversal of 1426533889 is 9883356241.

It is a cyclic number.

It is not a de Polignac number, because 1426533889 - 2¹⁵ = 1426501121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426533883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26689 + ... + 59710.

It is an arithmetic number, because the mean of its divisors is an integer number (103680000).

Almost surely, 2^1426533889 is an apocalyptic number.

1426533889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1426533889 is a deficient number, since it is larger than the sum of its proper divisors (232346111).

1426533889 is a wasteful number, since it uses less digits than its factorization.

1426533889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86508.

The product of its digits is 1244160, while the sum is 49.

The square root of 1426533889 is about 37769.4835680871. The cubic root of 1426533889 is about 1125.7121782640.

The spelling of 1426533889 in words is "one billion, four hundred twenty-six million, five hundred thirty-three thousand, eight hundred eighty-nine".