19624942012 has 24 divisors (see below), whose sum is σ = 37060842672. Its totient is φ = 9039206400.

The previous prime is 19624942009. The next prime is 19624942049. The reversal of 19624942012 is 21024942691.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 358789 + ... + 409852.

It is an arithmetic number, because the mean of its divisors is an integer number (1544201778).

Almost surely, 2^19624942012 is an apocalyptic number.

It is an amenable number.

19624942012 is a deficient number, since it is larger than the sum of its proper divisors (17435900660).

19624942012 is a wasteful number, since it uses less digits than its factorization.

19624942012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769149 (or 769147 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 19624942012 in words is "nineteen billion, six hundred twenty-four million, nine hundred forty-two thousand, twelve".