1424659889 has 4 divisors (see below), whose sum is σ = 1424966256. Its totient is φ = 1424353524.

The previous prime is 1424659867. The next prime is 1424659913. The reversal of 1424659889 is 9889564241.

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.

It is a cyclic number.

It is not a de Polignac number, because 1424659889 - 2⁸ = 1424659633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1424655889) 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, 146099 + ... + 155544.

It is an arithmetic number, because the mean of its divisors is an integer number (356241564).

Almost surely, 2^1424659889 is an apocalyptic number.

It is an amenable number.

1424659889 is a deficient number, since it is larger than the sum of its proper divisors (306367).

1424659889 is an equidigital number, since it uses as much as digits as its factorization.

1424659889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306366.

The product of its digits is 4976640, while the sum is 56.

The square root of 1424659889 is about 37744.6670272768. The cubic root of 1424659889 is about 1125.2190227720.

The spelling of 1424659889 in words is "one billion, four hundred twenty-four million, six hundred fifty-nine thousand, eight hundred eighty-nine".