21342600486 has 48 divisors (see below), whose sum is σ = 46505899440. Its totient is φ = 7073763840.

The previous prime is 21342600457. The next prime is 21342600491. The reversal of 21342600486 is 68400624312.

21342600486 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 2 + 600 + 48 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 21342600486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2356126 + ... + 2365166.

It is an arithmetic number, because the mean of its divisors is an integer number (968872905).

Almost surely, 2^21342600486 is an apocalyptic number.

21342600486 is an abundant number, since it is smaller than the sum of its proper divisors (25163298954).

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

21342600486 is a wasteful number, since it uses less digits than its factorization.

21342600486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9781 (or 9778 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 21342600486 in words is "twenty-one billion, three hundred forty-two million, six hundred thousand, four hundred eighty-six".