21733960389 has 8 divisors (see below), whose sum is σ = 29047448352. Its totient is φ = 14454889680.

The previous prime is 21733960379. The next prime is 21733960421. The reversal of 21733960389 is 98306933712.

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

It is not a de Polignac number, because 21733960389 - 2⁴ = 21733960373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21733960379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8602839 + ... + 8605364.

It is an arithmetic number, because the mean of its divisors is an integer number (3630931044).

Almost surely, 2^21733960389 is an apocalyptic number.

It is an amenable number.

21733960389 is a deficient number, since it is larger than the sum of its proper divisors (7313487963).

21733960389 is a wasteful number, since it uses less digits than its factorization.

21733960389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17208627.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 21733960389 in words is "twenty-one billion, seven hundred thirty-three million, nine hundred sixty thousand, three hundred eighty-nine".