19696790355 has 16 divisors (see below), whose sum is σ = 34379852544. Its totient is φ = 9549958880.

The previous prime is 19696790353. The next prime is 19696790389. The reversal of 19696790355 is 55309769691.

It is not a de Polignac number, because 19696790355 - 2¹ = 19696790353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19696790353) 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, 59687079 + ... + 59687408.

It is an arithmetic number, because the mean of its divisors is an integer number (2148740784).

Almost surely, 2^19696790355 is an apocalyptic number.

19696790355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19696790355 is a deficient number, since it is larger than the sum of its proper divisors (14683062189).

19696790355 is a wasteful number, since it uses less digits than its factorization.

19696790355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119374506.

The product of its (nonzero) digits is 13778100, while the sum is 60.

The spelling of 19696790355 in words is "nineteen billion, six hundred ninety-six million, seven hundred ninety thousand, three hundred fifty-five".