21743048054 has 32 divisors (see below), whose sum is σ = 40169015040. Its totient is φ = 8595644832.

The previous prime is 21743048011. The next prime is 21743048141. The reversal of 21743048054 is 45084034712.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21743047999 and 21743048017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224597 + ... + 306479.

It is an arithmetic number, because the mean of its divisors is an integer number (1255281720).

Almost surely, 2^21743048054 is an apocalyptic number.

21743048054 is a deficient number, since it is larger than the sum of its proper divisors (18425966986).

21743048054 is a wasteful number, since it uses less digits than its factorization.

21743048054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83364.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 21743048054 in words is "twenty-one billion, seven hundred forty-three million, forty-eight thousand, fifty-four".