21514782096 has 60 divisors (see below), whose sum is σ = 60248300112. Its totient is φ = 7167211968.

The previous prime is 21514782059. The next prime is 21514782097. The reversal of 21514782096 is 69028741512.

21514782096 is a `hidden beast` number, since 2 + 151 + 478 + 20 + 9 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (21514782097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195235 + ... + 284861.

Almost surely, 2^21514782096 is an apocalyptic number.

It is an amenable number.

21514782096 is an abundant number, since it is smaller than the sum of its proper divisors (38733518016).

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

21514782096 is a wasteful number, since it uses less digits than its factorization.

21514782096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91308 (or 91299 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 21514782096 in words is "twenty-one billion, five hundred fourteen million, seven hundred eighty-two thousand, ninety-six".