21352045214 has 12 divisors (see below), whose sum is σ = 32513247144. Its totient is φ = 10516674564.

The previous prime is 21352045199. The next prime is 21352045217. The reversal of 21352045214 is 41254025312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21352045217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1180154 + ... + 1198109.

It is an arithmetic number, because the mean of its divisors is an integer number (2709437262).

Almost surely, 2^21352045214 is an apocalyptic number.

21352045214 is a deficient number, since it is larger than the sum of its proper divisors (11161201930).

21352045214 is an equidigital number, since it uses as much as digits as its factorization.

21352045214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378399 (or 2378332 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 21352045214 in words is "twenty-one billion, three hundred fifty-two million, forty-five thousand, two hundred fourteen".