21746322364712 has 32 divisors (see below), whose sum is σ = 44489618236800. Its totient is φ = 9882802137600.

The previous prime is 21746322364691. The next prime is 21746322364747.

21746322364712 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23160137 + ... + 24080792.

It is an arithmetic number, because the mean of its divisors is an integer number (1390300569900).

Almost surely, 2^{21746322364712} is an apocalyptic number.

21746322364712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21746322364712 is an abundant number, since it is smaller than the sum of its proper divisors (22743295872088).

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

21746322364712 is a wasteful number, since it uses less digits than its factorization.

21746322364712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47246177 (or 47246173 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 50.

The spelling of 21746322364712 in words is "twenty-one trillion, seven hundred forty-six billion, three hundred twenty-two million, three hundred sixty-four thousand, seven hundred twelve".