21873396096 has 48 divisors (see below), whose sum is σ = 62942979060. Its totient is φ = 7291131648.

The previous prime is 21873396067. The next prime is 21873396203. The reversal of 21873396096 is 69069337812.

21873396096 is a `hidden beast` number, since 21 + 8 + 7 + 3 + 3 + 9 + 609 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9492510 + ... + 9494813.

Almost surely, 2^21873396096 is an apocalyptic number.

It is an amenable number.

21873396096 is an abundant number, since it is smaller than the sum of its proper divisors (41069582964).

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

21873396096 is a wasteful number, since it uses less digits than its factorization.

21873396096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18987343 (or 18987328 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 21873396096 in words is "twenty-one billion, eight hundred seventy-three million, three hundred ninety-six thousand, ninety-six".