21846928755 has 8 divisors (see below), whose sum is σ = 34955086032. Its totient is φ = 11651695328.

The previous prime is 21846928739. The next prime is 21846928757. The reversal of 21846928755 is 55782964812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21846928755 - 2⁴ = 21846928739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21846928695 and 21846928704.

It is not an unprimeable number, because it can be changed into a prime (21846928757) by changing a digit.

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, 728230944 + ... + 728230973.

It is an arithmetic number, because the mean of its divisors is an integer number (4369385754).

Almost surely, 2^21846928755 is an apocalyptic number.

21846928755 is a deficient number, since it is larger than the sum of its proper divisors (13108157277).

21846928755 is a wasteful number, since it uses less digits than its factorization.

21846928755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456461925.

The product of its digits is 9676800, while the sum is 57.

The spelling of 21846928755 in words is "twenty-one billion, eight hundred forty-six million, nine hundred twenty-eight thousand, seven hundred fifty-five".