19069863908 has 6 divisors (see below), whose sum is σ = 33372261846. Its totient is φ = 9534931952.

The previous prime is 19069863887. The next prime is 19069863913. The reversal of 19069863908 is 80936896091.

It can be written as a sum of positive squares in only one way, i.e., 16542589924 + 2527273984 = 128618^2 + 50272^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2383732985 + ... + 2383732992.

It is an arithmetic number, because the mean of its divisors is an integer number (5562043641).

Almost surely, 2^19069863908 is an apocalyptic number.

It is an amenable number.

19069863908 is a deficient number, since it is larger than the sum of its proper divisors (14302397938).

19069863908 is a wasteful number, since it uses less digits than its factorization.

19069863908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767465981 (or 4767465979 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 59.

The spelling of 19069863908 in words is "nineteen billion, sixty-nine million, eight hundred sixty-three thousand, nine hundred eight".