21754256473114 has 32 divisors (see below), whose sum is σ = 37474621767360. Its totient is φ = 9367067836800.

The previous prime is 21754256473093. The next prime is 21754256473139. The reversal of 21754256473114 is 41137465245712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2747104 + ... + 7145284.

It is an arithmetic number, because the mean of its divisors is an integer number (1171081930230).

Almost surely, 2^{21754256473114} is an apocalyptic number.

21754256473114 is a deficient number, since it is larger than the sum of its proper divisors (15720365294246).

21754256473114 is a wasteful number, since it uses less digits than its factorization.

21754256473114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410046.

The product of its digits is 5644800, while the sum is 52.

The spelling of 21754256473114 in words is "twenty-one trillion, seven hundred fifty-four billion, two hundred fifty-six million, four hundred seventy-three thousand, one hundred fourteen".