21398080214 has 8 divisors (see below), whose sum is σ = 36682423248. Its totient is φ = 9170605800.

The previous prime is 21398080213. The next prime is 21398080247. The reversal of 21398080214 is 41208089312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21398080211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764217137 + ... + 764217164.

It is an arithmetic number, because the mean of its divisors is an integer number (4585302906).

Almost surely, 2^21398080214 is an apocalyptic number.

21398080214 is a deficient number, since it is larger than the sum of its proper divisors (15284343034).

21398080214 is a wasteful number, since it uses less digits than its factorization.

21398080214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528434310.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 21398080214 in words is "twenty-one billion, three hundred ninety-eight million, eighty thousand, two hundred fourteen".