19823884054 has 16 divisors (see below), whose sum is σ = 32067766080. Its totient is φ = 9136751040.

The previous prime is 19823883983. The next prime is 19823884063. The reversal of 19823884054 is 45048832891.

It is a junction number, because it is equal to n+sod(n) for n = 19823883992 and 19823884010.

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, 511527 + ... + 548914.

It is an arithmetic number, because the mean of its divisors is an integer number (2004235380).

Almost surely, 2^19823884054 is an apocalyptic number.

19823884054 is a deficient number, since it is larger than the sum of its proper divisors (12243882026).

19823884054 is a wasteful number, since it uses less digits than its factorization.

19823884054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061175.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 19823884054 in words is "nineteen billion, eight hundred twenty-three million, eight hundred eighty-four thousand, fifty-four".