1424575989 has 12 divisors (see below), whose sum is σ = 2058172896. Its totient is φ = 949508712.

The previous prime is 1424575967. The next prime is 1424576009. The reversal of 1424575989 is 9895754241.

It is a happy number.

1424575989 is a `hidden beast` number, since 1 + 4 + 2 + 45 + 7 + 598 + 9 = 666.

It is not a de Polignac number, because 1424575989 - 2¹⁶ = 1424510453 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424575189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33792 + ... + 63174.

It is an arithmetic number, because the mean of its divisors is an integer number (171514408).

Almost surely, 2^1424575989 is an apocalyptic number.

It is an amenable number.

1424575989 is a deficient number, since it is larger than the sum of its proper divisors (633596907).

1424575989 is a wasteful number, since it uses less digits than its factorization.

1424575989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34776 (or 34773 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 1424575989 is about 37743.5555956245. Note that the first 4 decimals coincide. The cubic root of 1424575989 is about 1125.1969338206.

The spelling of 1424575989 in words is "one billion, four hundred twenty-four million, five hundred seventy-five thousand, nine hundred eighty-nine".