21450000014 has 8 divisors (see below), whose sum is σ = 32267724408. Its totient is φ = 10694091880.

The previous prime is 21450000001. The next prime is 21450000023. The reversal of 21450000014 is 41000005412.

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

It is a junction number, because it is equal to n+sod(n) for n = 21449999947 and 21450000001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15453197 + ... + 15454584.

It is an arithmetic number, because the mean of its divisors is an integer number (4033465551).

Almost surely, 2^21450000014 is an apocalyptic number.

21450000014 is a deficient number, since it is larger than the sum of its proper divisors (10817724394).

21450000014 is a wasteful number, since it uses less digits than its factorization.

21450000014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30908130.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 21450000014 its reverse (41000005412), we get a palindrome (62450005426).

The spelling of 21450000014 in words is "twenty-one billion, four hundred fifty million, fourteen", and thus it is an aban number.