21214085414 has 8 divisors (see below), whose sum is σ = 31829251320. Its totient is φ = 10604334976.

The previous prime is 21214085407. The next prime is 21214085437. The reversal of 21214085414 is 41458041212.

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

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, 1344059 + ... + 1359750.

It is an arithmetic number, because the mean of its divisors is an integer number (3978656415).

Almost surely, 2^21214085414 is an apocalyptic number.

21214085414 is a deficient number, since it is larger than the sum of its proper divisors (10615165906).

21214085414 is a wasteful number, since it uses less digits than its factorization.

21214085414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707734.

The product of its (nonzero) digits is 10240, while the sum is 32.

The spelling of 21214085414 in words is "twenty-one billion, two hundred fourteen million, eighty-five thousand, four hundred fourteen".