21473210410 has 32 divisors (see below), whose sum is σ = 39180211200. Its totient is φ = 8472072960.

The previous prime is 21473210401. The next prime is 21473210453. The reversal of 21473210410 is 1401237412.

It is a super-2 number, since 2×21473210410² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807730 + ... + 833890.

It is an arithmetic number, because the mean of its divisors is an integer number (1224381600).

Almost surely, 2^21473210410 is an apocalyptic number.

21473210410 is a deficient number, since it is larger than the sum of its proper divisors (17707000790).

21473210410 is a wasteful number, since it uses less digits than its factorization.

21473210410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27286.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 21473210410 its reverse (1401237412), we get a palindrome (22874447822).

The spelling of 21473210410 in words is "twenty-one billion, four hundred seventy-three million, two hundred ten thousand, four hundred ten".