21435541322 has 16 divisors (see below), whose sum is σ = 35043835680. Its totient is φ = 9774129072.

The previous prime is 21435541319. The next prime is 21435541339. The reversal of 21435541322 is 22314553412.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4964372 + ... + 4968687.

It is an arithmetic number, because the mean of its divisors is an integer number (2190239730).

Almost surely, 2^21435541322 is an apocalyptic number.

21435541322 is a deficient number, since it is larger than the sum of its proper divisors (13608294358).

21435541322 is a wasteful number, since it uses less digits than its factorization.

21435541322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9933157.

The product of its digits is 28800, while the sum is 32.

The spelling of 21435541322 in words is "twenty-one billion, four hundred thirty-five million, five hundred forty-one thousand, three hundred twenty-two".