21834066798832 has 10 divisors (see below), whose sum is σ = 42303504422768. Its totient is φ = 10917033399408.

The previous prime is 21834066798773. The next prime is 21834066798833. The reversal of 21834066798832 is 23889766043812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21834066798833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682314587448 + ... + 682314587479.

Almost surely, 2^{21834066798832} is an apocalyptic number.

It is an amenable number.

21834066798832 is a deficient number, since it is larger than the sum of its proper divisors (20469437623936).

21834066798832 is a wasteful number, since it uses less digits than its factorization.

21834066798832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364629174935 (or 1364629174929 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 67.

The spelling of 21834066798832 in words is "twenty-one trillion, eight hundred thirty-four billion, sixty-six million, seven hundred ninety-eight thousand, eight hundred thirty-two".