21468514562 has 16 divisors (see below), whose sum is σ = 35183467584. Its totient is φ = 9743646000.

The previous prime is 21468514559. The next prime is 21468514607. The reversal of 21468514562 is 26541586412.

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, 723614 + ... + 752697.

It is an arithmetic number, because the mean of its divisors is an integer number (2198966724).

Almost surely, 2^21468514562 is an apocalyptic number.

21468514562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21468514562 is a deficient number, since it is larger than the sum of its proper divisors (13714953022).

21468514562 is a wasteful number, since it uses less digits than its factorization.

21468514562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476985.

The product of its digits is 460800, while the sum is 44.

The spelling of 21468514562 in words is "twenty-one billion, four hundred sixty-eight million, five hundred fourteen thousand, five hundred sixty-two".