21943767303 has 12 divisors (see below), whose sum is σ = 31977054720. Its totient is φ = 14499715776.

The previous prime is 21943767283. The next prime is 21943767319. The reversal of 21943767303 is 30376734912.

It is a happy number.

It is not a de Polignac number, because 21943767303 - 2⁸ = 21943767047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21943267303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10787463 + ... + 10789496.

It is an arithmetic number, because the mean of its divisors is an integer number (2664754560).

Almost surely, 2^21943767303 is an apocalyptic number.

21943767303 is a deficient number, since it is larger than the sum of its proper divisors (10033287417).

21943767303 is a wasteful number, since it uses less digits than its factorization.

21943767303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21577078 (or 21577075 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The spelling of 21943767303 in words is "twenty-one billion, nine hundred forty-three million, seven hundred sixty-seven thousand, three hundred three".