21736214010 has 48 divisors (see below), whose sum is σ = 64587609216. Its totient is φ = 4968277344.

The previous prime is 21736213999. The next prime is 21736214023. The reversal of 21736214010 is 1041263712.

21736214010 is a `hidden beast` number, since 21 + 7 + 3 + 621 + 4 + 0 + 10 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 17250334 + ... + 17251593.

It is an arithmetic number, because the mean of its divisors is an integer number (1345575192).

Almost surely, 2^21736214010 is an apocalyptic number.

21736214010 is an abundant number, since it is smaller than the sum of its proper divisors (42851395206).

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

21736214010 is a wasteful number, since it uses less digits than its factorization.

21736214010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34501947 (or 34501944 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 21736214010 its reverse (1041263712), we get a palindrome (22777477722).

The spelling of 21736214010 in words is "twenty-one billion, seven hundred thirty-six million, two hundred fourteen thousand, ten".