19486896770693 has 16 divisors (see below), whose sum is σ = 21465318690816. Its totient is φ = 17542963733040.

The previous prime is 19486896770609. The next prime is 19486896770701. The reversal of 19486896770693 is 39607769868491.

It is a cyclic number.

It is not a de Polignac number, because 19486896770693 - 2⁴² = 15088850259589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19486896770093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56231396 + ... + 56576882.

It is an arithmetic number, because the mean of its divisors is an integer number (1341582418176).

Almost surely, 2^{19486896770693} is an apocalyptic number.

It is an amenable number.

19486896770693 is a deficient number, since it is larger than the sum of its proper divisors (1978421920123).

19486896770693 is a wasteful number, since it uses less digits than its factorization.

19486896770693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395384.

The product of its (nonzero) digits is 5925685248, while the sum is 83.

The spelling of 19486896770693 in words is "nineteen trillion, four hundred eighty-six billion, eight hundred ninety-six million, seven hundred seventy thousand, six hundred ninety-three".