21076002316 has 6 divisors (see below), whose sum is σ = 36883004060. Its totient is φ = 10538001156.

The previous prime is 21076002293. The next prime is 21076002323. The reversal of 21076002316 is 61320067012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2634500286 + ... + 2634500293.

Almost surely, 2^21076002316 is an apocalyptic number.

It is an amenable number.

21076002316 is a deficient number, since it is larger than the sum of its proper divisors (15807001744).

21076002316 is a wasteful number, since it uses less digits than its factorization.

21076002316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269000583 (or 5269000581 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 21076002316 its reverse (61320067012), we get a palindrome (82396069328).

The spelling of 21076002316 in words is "twenty-one billion, seventy-six million, two thousand, three hundred sixteen".