4002729923 has 2 divisors, whose sum is σ = 4002729924. Its totient is φ = 4002729922.

The previous prime is 4002729851. The next prime is 4002729931. The reversal of 4002729923 is 3299272004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4002729923 - 2¹² = 4002725827 is a prime.

It is not a weakly prime, because it can be changed into another prime (4002729323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001364961 + 2001364962.

It is an arithmetic number, because the mean of its divisors is an integer number (2001364962).

Almost surely, 2^4002729923 is an apocalyptic number.

4002729923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002729923 is an equidigital number, since it uses as much as digits as its factorization.

4002729923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 4002729923 is about 63267.1314586018. The cubic root of 4002729923 is about 1587.7620933995.

The spelling of 4002729923 in words is "four billion, two million, seven hundred twenty-nine thousand, nine hundred twenty-three".