21546342127324 has 12 divisors (see below), whose sum is σ = 43092684254704. Its totient is φ = 9234146625984.

The previous prime is 21546342127253. The next prime is 21546342127327. The reversal of 21546342127324 is 42372124364512.

21546342127324 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21546342127327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384756109389 + ... + 384756109444.

Almost surely, 2^{21546342127324} is an apocalyptic number.

It is an amenable number.

21546342127324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21546342127324 is a wasteful number, since it uses less digits than its factorization.

21546342127324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769512218844 (or 769512218842 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 46.

The spelling of 21546342127324 in words is "twenty-one trillion, five hundred forty-six billion, three hundred forty-two million, one hundred twenty-seven thousand, three hundred twenty-four".