21410243410 has 8 divisors (see below), whose sum is σ = 38538438156. Its totient is φ = 8564097360.

The previous prime is 21410243401. The next prime is 21410243429. The reversal of 21410243410 is 1434201412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20500798761 + 909444649 = 143181^2 + 30157^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070512161 + ... + 1070512180.

Almost surely, 2^21410243410 is an apocalyptic number.

21410243410 is a deficient number, since it is larger than the sum of its proper divisors (17128194746).

21410243410 is a wasteful number, since it uses less digits than its factorization.

21410243410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141024348.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21410243410 its reverse (1434201412), we get a palindrome (22844444822).

The spelling of 21410243410 in words is "twenty-one billion, four hundred ten million, two hundred forty-three thousand, four hundred ten".