21833338382955 has 24 divisors (see below), whose sum is σ = 41284858034160. Its totient is φ = 10585861033920.

The previous prime is 21833338382927. The next prime is 21833338382963. The reversal of 21833338382955 is 55928383333812.

21833338382955 is a `hidden beast` number, since 2 + 1 + 8 + 3 + 3 + 338 + 3 + 8 + 295 + 5 = 666.

It is not a de Polignac number, because 21833338382955 - 2¹³ = 21833338374763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21833338382892 and 21833338382901.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22053876660 + ... + 22053877649.

It is an arithmetic number, because the mean of its divisors is an integer number (1720202418090).

Almost surely, 2^{21833338382955} is an apocalyptic number.

21833338382955 is a deficient number, since it is larger than the sum of its proper divisors (19451519651205).

21833338382955 is a wasteful number, since it uses less digits than its factorization.

21833338382955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44107754331 (or 44107754328 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 63.

The spelling of 21833338382955 in words is "twenty-one trillion, eight hundred thirty-three billion, three hundred thirty-eight million, three hundred eighty-two thousand, nine hundred fifty-five".