19630000064 has 28 divisors (see below), whose sum is σ = 39237629424. Its totient is φ = 9743353344.

The previous prime is 19630000031. The next prime is 19630000067. The reversal of 19630000064 is 46000003691.

It is a junction number, because it is equal to n+sod(n) for n = 19629999991 and 19630000036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19630000067) 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 in 3 ways as a sum of consecutive naturals, for example, 1110644 + ... + 1128179.

It is an arithmetic number, because the mean of its divisors is an integer number (1401343908).

Almost surely, 2^19630000064 is an apocalyptic number.

It is an amenable number.

19630000064 is a deficient number, since it is larger than the sum of its proper divisors (19607629360).

19630000064 is a wasteful number, since it uses less digits than its factorization.

19630000064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238972 (or 2238962 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 19630000064 in words is "nineteen billion, six hundred thirty million, sixty-four", and thus it is an aban number.