19268900914 has 4 divisors (see below), whose sum is σ = 28903351374. Its totient is φ = 9634450456.

The previous prime is 19268900873. The next prime is 19268900927. The reversal of 19268900914 is 41900986291.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17128265625 + 2140635289 = 130875^2 + 46267^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 4817225227 + ... + 4817225230.

Almost surely, 2^19268900914 is an apocalyptic number.

19268900914 is a deficient number, since it is larger than the sum of its proper divisors (9634450460).

19268900914 is an equidigital number, since it uses as much as digits as its factorization.

19268900914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634450459.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 19268900914 in words is "nineteen billion, two hundred sixty-eight million, nine hundred thousand, nine hundred fourteen".