19629429612 has 24 divisors (see below), whose sum is σ = 49325233776. Its totient is φ = 6039824448.

The previous prime is 19629429581. The next prime is 19629429629. The reversal of 19629429612 is 21692492691.

It is an unprimeable number.

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, 62914683 + ... + 62914994.

It is an arithmetic number, because the mean of its divisors is an integer number (2055218074).

Almost surely, 2^19629429612 is an apocalyptic number.

19629429612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19629429612 is an abundant number, since it is smaller than the sum of its proper divisors (29695804164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19629429612 is a wasteful number, since it uses less digits than its factorization.

19629429612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125829697 (or 125829695 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The spelling of 19629429612 in words is "nineteen billion, six hundred twenty-nine million, four hundred twenty-nine thousand, six hundred twelve".