19099142612208 has 40 divisors (see below), whose sum is σ = 54821613054800. Its totient is φ = 6366380870592.

The previous prime is 19099142612159. The next prime is 19099142612219. The reversal of 19099142612208 is 80221624199091.

19099142612208 is a `hidden beast` number, since 1 + 9 + 0 + 9 + 9 + 1 + 426 + 1 + 2 + 208 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22105488703 + ... + 22105489566.

It is an arithmetic number, because the mean of its divisors is an integer number (1370540326370).

Almost surely, 2^{19099142612208} is an apocalyptic number.

19099142612208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19099142612208 is an abundant number, since it is smaller than the sum of its proper divisors (35722470442592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19099142612208 is a wasteful number, since it uses less digits than its factorization.

19099142612208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44210978286 (or 44210978274 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 19099142612208 in words is "nineteen trillion, ninety-nine billion, one hundred forty-two million, six hundred twelve thousand, two hundred eight".