1032664389 has 4 divisors (see below), whose sum is σ = 1376885856. Its totient is φ = 688442924.

The previous prime is 1032664361. The next prime is 1032664397. The reversal of 1032664389 is 9834662301.

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 1032664389 - 2¹³ = 1032656197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1032664389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032664319) 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, 172110729 + ... + 172110734.

It is an arithmetic number, because the mean of its divisors is an integer number (344221464).

Almost surely, 2^1032664389 is an apocalyptic number.

It is an amenable number.

1032664389 is a deficient number, since it is larger than the sum of its proper divisors (344221467).

1032664389 is an equidigital number, since it uses as much as digits as its factorization.

1032664389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344221466.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 1032664389 is about 32135.0959077455. The cubic root of 1032664389 is about 1010.7716838831.

The spelling of 1032664389 in words is "one billion, thirty-two million, six hundred sixty-four thousand, three hundred eighty-nine".