19102017906745 has 16 divisors (see below), whose sum is σ = 22966425331200. Its totient is φ = 15252291181504.

The previous prime is 19102017906691. The next prime is 19102017906767. The reversal of 19102017906745 is 54760971020191.

It is a cyclic number.

It is not a de Polignac number, because 19102017906745 - 2¹³ = 19102017898553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19102017906692 and 19102017906701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11224272 + ... + 12813598.

It is an arithmetic number, because the mean of its divisors is an integer number (1435401583200).

Almost surely, 2^{19102017906745} is an apocalyptic number.

It is an amenable number.

19102017906745 is a deficient number, since it is larger than the sum of its proper divisors (3864407424455).

19102017906745 is a wasteful number, since it uses less digits than its factorization.

19102017906745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593944.

The product of its (nonzero) digits is 952560, while the sum is 52.

The spelling of 19102017906745 in words is "nineteen trillion, one hundred two billion, seventeen million, nine hundred six thousand, seven hundred forty-five".