1334668789 has 4 divisors (see below), whose sum is σ = 1334742624. Its totient is φ = 1334594956.

The previous prime is 1334668763. The next prime is 1334668807. The reversal of 1334668789 is 9878664331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1334668789 - 2⁹ = 1334668277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334662789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10494 + ... + 52720.

It is an arithmetic number, because the mean of its divisors is an integer number (333685656).

Almost surely, 2^1334668789 is an apocalyptic number.

It is an amenable number.

1334668789 is a deficient number, since it is larger than the sum of its proper divisors (73835).

1334668789 is an equidigital number, since it uses as much as digits as its factorization.

1334668789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73834.

The product of its digits is 5225472, while the sum is 55.

The square root of 1334668789 is about 36533.1190702354. The cubic root of 1334668789 is about 1101.0097584712.

The spelling of 1334668789 in words is "one billion, three hundred thirty-four million, six hundred sixty-eight thousand, seven hundred eighty-nine".