21338456062 has 32 divisors (see below), whose sum is σ = 40144688640. Its totient is φ = 8263891680.

The previous prime is 21338456047. The next prime is 21338456093. The reversal of 21338456062 is 26065483312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389137 + ... + 440572.

It is an arithmetic number, because the mean of its divisors is an integer number (1254521520).

Almost surely, 2^21338456062 is an apocalyptic number.

21338456062 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21338456062 is a deficient number, since it is larger than the sum of its proper divisors (18806232578).

21338456062 is a wasteful number, since it uses less digits than its factorization.

21338456062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829896.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 21338456062 in words is "twenty-one billion, three hundred thirty-eight million, four hundred fifty-six thousand, sixty-two".