1032945689 has 4 divisors (see below), whose sum is σ = 1033062756. Its totient is φ = 1032828624.

The previous prime is 1032945679. The next prime is 1032945691. The reversal of 1032945689 is 9865492301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 629257225 + 403688464 = 25085^2 + 20092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032945689 - 2²⁸ = 764510233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1032945679) 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, 44114 + ... + 63339.

It is an arithmetic number, because the mean of its divisors is an integer number (258265689).

Almost surely, 2^1032945689 is an apocalyptic number.

It is an amenable number.

1032945689 is a deficient number, since it is larger than the sum of its proper divisors (117067).

1032945689 is an equidigital number, since it uses as much as digits as its factorization.

1032945689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117066.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 1032945689 is about 32139.4724443324. The cubic root of 1032945689 is about 1010.8634543442.

The spelling of 1032945689 in words is "one billion, thirty-two million, nine hundred forty-five thousand, six hundred eighty-nine".