21630304583002 has 8 divisors (see below), whose sum is σ = 33492084515712. Its totient is φ = 10466276411100.

The previous prime is 21630304582993. The next prime is 21630304583003. The reversal of 21630304583002 is 20038540303612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21630304583003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174437940124 + ... + 174437940247.

It is an arithmetic number, because the mean of its divisors is an integer number (4186510564464).

Almost surely, 2^{21630304583002} is an apocalyptic number.

21630304583002 is a deficient number, since it is larger than the sum of its proper divisors (11861779932710).

21630304583002 is a wasteful number, since it uses less digits than its factorization.

21630304583002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348875880404.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 21630304583002 its reverse (20038540303612), we get a palindrome (41668844886614).

The spelling of 21630304583002 in words is "twenty-one trillion, six hundred thirty billion, three hundred four million, five hundred eighty-three thousand, two".