21433341010 has 16 divisors (see below), whose sum is σ = 38589615000. Its totient is φ = 8571202816.

The previous prime is 21433340987. The next prime is 21433341031. The reversal of 21433341010 is 1014333412.

It can be written as a sum of positive squares in 4 ways, for example, as 7674285609 + 13759055401 = 87603^2 + 117299^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224185 + ... + 305164.

Almost surely, 2^21433341010 is an apocalyptic number.

21433341010 is a deficient number, since it is larger than the sum of its proper divisors (17156273990).

21433341010 is a wasteful number, since it uses less digits than its factorization.

21433341010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533405.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21433341010 its reverse (1014333412), we get a palindrome (22447674422).

The spelling of 21433341010 in words is "twenty-one billion, four hundred thirty-three million, three hundred forty-one thousand, ten".