21214700054 has 8 divisors (see below), whose sum is σ = 31823196408. Its totient is φ = 10606967920.

The previous prime is 21214700051. The next prime is 21214700093. The reversal of 21214700054 is 45000741212.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21214699996 and 21214700032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214700051) by changing a digit.

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, 115712 + ... + 236259.

It is an arithmetic number, because the mean of its divisors is an integer number (3977899551).

Almost surely, 2^21214700054 is an apocalyptic number.

21214700054 is a deficient number, since it is larger than the sum of its proper divisors (10608496354).

21214700054 is a wasteful number, since it uses less digits than its factorization.

21214700054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382110.

The product of its (nonzero) digits is 2240, while the sum is 26.

The spelling of 21214700054 in words is "twenty-one billion, two hundred fourteen million, seven hundred thousand, fifty-four".