21114612446 has 8 divisors (see below), whose sum is σ = 31672541424. Its totient is φ = 10557098640.

The previous prime is 21114612439. The next prime is 21114612479. The reversal of 21114612446 is 64421641112.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118991 + ... + 237461.

It is an arithmetic number, because the mean of its divisors is an integer number (3959067678).

Almost surely, 2^21114612446 is an apocalyptic number.

21114612446 is a deficient number, since it is larger than the sum of its proper divisors (10557928978).

21114612446 is a wasteful number, since it uses less digits than its factorization.

21114612446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207586.

The product of its digits is 9216, while the sum is 32.

The spelling of 21114612446 in words is "twenty-one billion, one hundred fourteen million, six hundred twelve thousand, four hundred forty-six".