21141643362 has 16 divisors (see below), whose sum is σ = 48323756352. Its totient is φ = 6040469520.

The previous prime is 21141643361. The next prime is 21141643417. The reversal of 21141643362 is 26334614112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21141643361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251686189 + ... + 251686272.

It is an arithmetic number, because the mean of its divisors is an integer number (3020234772).

Almost surely, 2^21141643362 is an apocalyptic number.

21141643362 is an abundant number, since it is smaller than the sum of its proper divisors (27182112990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21141643362 is a wasteful number, since it uses less digits than its factorization.

21141643362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503372473.

The product of its digits is 20736, while the sum is 33.

The spelling of 21141643362 in words is "twenty-one billion, one hundred forty-one million, six hundred forty-three thousand, three hundred sixty-two".