2989426723 has 8 divisors (see below), whose sum is σ = 3043983488. Its totient is φ = 2935237824.

The previous prime is 2989426717. The next prime is 2989426747. The reversal of 2989426723 is 3276249892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2989426723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2989426763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75540 + ... + 108097.

It is an arithmetic number, because the mean of its divisors is an integer number (380497936).

Almost surely, 2^2989426723 is an apocalyptic number.

2989426723 is a deficient number, since it is larger than the sum of its proper divisors (54556765).

2989426723 is a wasteful number, since it uses less digits than its factorization.

2989426723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183933.

The product of its digits is 2612736, while the sum is 52.

The square root of 2989426723 is about 54675.6501836055. The cubic root of 2989426723 is about 1440.5532087092.

The spelling of 2989426723 in words is "two billion, nine hundred eighty-nine million, four hundred twenty-six thousand, seven hundred twenty-three".