19630000065 has 32 divisors (see below), whose sum is σ = 33874485120. Its totient is φ = 9649575936.

The previous prime is 19630000031. The next prime is 19630000067. The reversal of 19630000065 is 56000003691.

It is a happy number.

It is not a de Polignac number, because 19630000065 - 2³³ = 11040065473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19629999987 and 19630000041.

It is not an unprimeable number, because it can be changed into a prime (19630000067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56446 + ... + 206024.

It is an arithmetic number, because the mean of its divisors is an integer number (1058577660).

Almost surely, 2^19630000065 is an apocalyptic number.

19630000065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19630000065 is a deficient number, since it is larger than the sum of its proper divisors (14244485055).

19630000065 is a wasteful number, since it uses less digits than its factorization.

19630000065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150273.

The product of its (nonzero) digits is 4860, while the sum is 30.

The spelling of 19630000065 in words is "nineteen billion, six hundred thirty million, sixty-five", and thus it is an aban number.