1332023989 has 2 divisors, whose sum is σ = 1332023990. Its totient is φ = 1332023988.

The previous prime is 1332023983. The next prime is 1332024041. The reversal of 1332023989 is 9893202331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909022500 + 423001489 = 30150^2 + 20567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332023989 - 2³ = 1332023981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1332023981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666011994 + 666011995.

It is an arithmetic number, because the mean of its divisors is an integer number (666011995).

Almost surely, 2^1332023989 is an apocalyptic number.

It is an amenable number.

1332023989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332023989 is an equidigital number, since it uses as much as digits as its factorization.

1332023989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1332023989 is about 36496.9038275852. The cubic root of 1332023989 is about 1100.2820183235.

The spelling of 1332023989 in words is "one billion, three hundred thirty-two million, twenty-three thousand, nine hundred eighty-nine".