2989432023 has 4 divisors (see below), whose sum is σ = 3985909368. Its totient is φ = 1992954680.

The previous prime is 2989432009. The next prime is 2989432049. The reversal of 2989432023 is 3202349892.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2989432023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989432073) 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, 498238668 + ... + 498238673.

It is an arithmetic number, because the mean of its divisors is an integer number (996477342).

Almost surely, 2^2989432023 is an apocalyptic number.

2989432023 is a deficient number, since it is larger than the sum of its proper divisors (996477345).

2989432023 is an equidigital number, since it uses as much as digits as its factorization.

2989432023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996477344.

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

The square root of 2989432023 is about 54675.6986512290. The cubic root of 2989432023 is about 1440.5540600349.

The spelling of 2989432023 in words is "two billion, nine hundred eighty-nine million, four hundred thirty-two thousand, twenty-three".