21341362368 has 56 divisors (see below), whose sum is σ = 56490900480. Its totient is φ = 7110611200.

The previous prime is 21341362327. The next prime is 21341362397. The reversal of 21341362368 is 86326314312.

It is a nude number because it is divisible by every one of its digits.

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, 427753 + ... + 475031.

It is an arithmetic number, because the mean of its divisors is an integer number (1008766080).

Almost surely, 2^21341362368 is an apocalyptic number.

It is an amenable number.

21341362368 is an abundant number, since it is smaller than the sum of its proper divisors (35149538112).

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

21341362368 is a wasteful number, since it uses less digits than its factorization.

21341362368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49645 (or 49635 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The spelling of 21341362368 in words is "twenty-one billion, three hundred forty-one million, three hundred sixty-two thousand, three hundred sixty-eight".