21732941104 has 20 divisors (see below), whose sum is σ = 48122941264. Its totient is φ = 9314117568.

The previous prime is 21732941099. The next prime is 21732941107. The reversal of 21732941104 is 40114923712.

It is a self number, because there is not a number n which added to its sum of digits gives 21732941104.

It is not an unprimeable number, because it can be changed into a prime (21732941107) 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, 97021947 + ... + 97022170.

Almost surely, 2^21732941104 is an apocalyptic number.

It is an amenable number.

21732941104 is an abundant number, since it is smaller than the sum of its proper divisors (26390000160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21732941104 is a wasteful number, since it uses less digits than its factorization.

21732941104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194044132 (or 194044126 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 21732941104 in words is "twenty-one billion, seven hundred thirty-two million, nine hundred forty-one thousand, one hundred four".