21890740714 has 8 divisors (see below), whose sum is σ = 32851440000. Its totient is φ = 10940260716.

The previous prime is 21890740637. The next prime is 21890740733. The reversal of 21890740714 is 41704709812.

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

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, 2549464 + ... + 2558035.

It is an arithmetic number, because the mean of its divisors is an integer number (4106430000).

Almost surely, 2^21890740714 is an apocalyptic number.

21890740714 is a deficient number, since it is larger than the sum of its proper divisors (10960699286).

21890740714 is a wasteful number, since it uses less digits than its factorization.

21890740714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109644.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 21890740714 in words is "twenty-one billion, eight hundred ninety million, seven hundred forty thousand, seven hundred fourteen".