19655222853 has 12 divisors (see below), whose sum is σ = 30485652000. Its totient is φ = 11231555832.

The previous prime is 19655222837. The next prime is 19655222863. The reversal of 19655222853 is 35822255691.

It is not a de Polignac number, because 19655222853 - 2⁴ = 19655222837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19655222863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66854353 + ... + 66854646.

It is an arithmetic number, because the mean of its divisors is an integer number (2540471000).

Almost surely, 2^19655222853 is an apocalyptic number.

It is an amenable number.

19655222853 is a deficient number, since it is larger than the sum of its proper divisors (10830429147).

19655222853 is a wasteful number, since it uses less digits than its factorization.

19655222853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133709016 (or 133709009 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The spelling of 19655222853 in words is "nineteen billion, six hundred fifty-five million, two hundred twenty-two thousand, eight hundred fifty-three".