19536794460 has 96 divisors (see below), whose sum is σ = 63980179200. Its totient is φ = 4935608640.

The previous prime is 19536794447. The next prime is 19536794467. The reversal of 19536794460 is 6449763591.

19536794460 is a `hidden beast` number, since 1 + 9 + 536 + 7 + 9 + 44 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 19536794397 and 19536794406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19536794467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 941826 + ... + 962345.

It is an arithmetic number, because the mean of its divisors is an integer number (666460200).

Almost surely, 2^19536794460 is an apocalyptic number.

19536794460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19536794460 is an abundant number, since it is smaller than the sum of its proper divisors (44443384740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19536794460 is a wasteful number, since it uses less digits than its factorization.

19536794460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904208 (or 1904200 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 19536794460 in words is "nineteen billion, five hundred thirty-six million, seven hundred ninety-four thousand, four hundred sixty".