19326066634 has 16 divisors (see below), whose sum is σ = 33140132928. Its totient is φ = 8280166752.

The previous prime is 19326066623. The next prime is 19326066637. The reversal of 19326066634 is 43666062391.

It is not an unprimeable number, because it can be changed into a prime (19326066637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152992 + ... + 249115.

It is an arithmetic number, because the mean of its divisors is an integer number (2071258308).

Almost surely, 2^19326066634 is an apocalyptic number.

19326066634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19326066634 is a deficient number, since it is larger than the sum of its proper divisors (13814066294).

19326066634 is a wasteful number, since it uses less digits than its factorization.

19326066634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405549.

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 19326066634 in words is "nineteen billion, three hundred twenty-six million, sixty-six thousand, six hundred thirty-four".