4581969923 has 2 divisors, whose sum is σ = 4581969924. Its totient is φ = 4581969922.

The previous prime is 4581969857. The next prime is 4581969941. The reversal of 4581969923 is 3299691854.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4581969923 - 2²⁰ = 4580921347 is a prime.

It is not a weakly prime, because it can be changed into another prime (4581966923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2290984961 + 2290984962.

It is an arithmetic number, because the mean of its divisors is an integer number (2290984962).

Almost surely, 2^4581969923 is an apocalyptic number.

4581969923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4581969923 is an equidigital number, since it uses as much as digits as its factorization.

4581969923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 56.

The square root of 4581969923 is about 67690.2498370334. The cubic root of 4581969923 is about 1660.9277635470.

The spelling of 4581969923 in words is "four billion, five hundred eighty-one million, nine hundred sixty-nine thousand, nine hundred twenty-three".