21013413010 has 24 divisors (see below), whose sum is σ = 38397190860. Its totient is φ = 8279894304.

The previous prime is 21013412999. The next prime is 21013413011. The reversal of 21013413010 is 1031431012.

It can be written as a sum of positive squares in 2 ways, for example, as 20769709689 + 243703321 = 144117^2 + 15611^2 .

It is not an unprimeable number, because it can be changed into a prime (21013413011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189165 + ... + 278944.

Almost surely, 2^21013413010 is an apocalyptic number.

21013413010 is a deficient number, since it is larger than the sum of its proper divisors (17383777850).

21013413010 is an equidigital number, since it uses as much as digits as its factorization.

21013413010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468250 (or 468183 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21013413010 its reverse (1031431012), we get a palindrome (22044844022).

The spelling of 21013413010 in words is "twenty-one billion, thirteen million, four hundred thirteen thousand, ten".