2423956189 has 2 divisors, whose sum is σ = 2423956190. Its totient is φ = 2423956188.

The previous prime is 2423956187. The next prime is 2423956201. The reversal of 2423956189 is 9816593242.

2423956189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2353899289 + 70056900 = 48517^2 + 8370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423956189 - 2¹ = 2423956187 is a prime.

Together with 2423956187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2423956181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211978094 + 1211978095.

It is an arithmetic number, because the mean of its divisors is an integer number (1211978095).

Almost surely, 2^2423956189 is an apocalyptic number.

It is an amenable number.

2423956189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423956189 is an equidigital number, since it uses as much as digits as its factorization.

2423956189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 2423956189 is about 49233.6895732993. The cubic root of 2423956189 is about 1343.3058993112.

The spelling of 2423956189 in words is "two billion, four hundred twenty-three million, nine hundred fifty-six thousand, one hundred eighty-nine".