21082229763 has 24 divisors (see below), whose sum is σ = 32732190720. Its totient is φ = 12034748880.

The previous prime is 21082229683. The next prime is 21082229783. The reversal of 21082229763 is 36792228012.

It is not a de Polignac number, because 21082229763 - 2⁸ = 21082229507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21082229783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73318 + ... + 218036.

It is an arithmetic number, because the mean of its divisors is an integer number (1363841280).

Almost surely, 2^21082229763 is an apocalyptic number.

21082229763 is a deficient number, since it is larger than the sum of its proper divisors (11649960957).

21082229763 is a wasteful number, since it uses less digits than its factorization.

21082229763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145727 (or 145720 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 21082229763 in words is "twenty-one billion, eighty-two million, two hundred twenty-nine thousand, seven hundred sixty-three".