21834045876 has 24 divisors (see below), whose sum is σ = 52323029920. Its totient is φ = 7081312032.

The previous prime is 21834045859. The next prime is 21834045881. The reversal of 21834045876 is 67854043812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24587446 + ... + 24588333.

Almost surely, 2^21834045876 is an apocalyptic number.

It is an amenable number.

21834045876 is an abundant number, since it is smaller than the sum of its proper divisors (30488984044).

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

21834045876 is a wasteful number, since it uses less digits than its factorization.

21834045876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49175823 (or 49175821 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 21834045876 in words is "twenty-one billion, eight hundred thirty-four million, forty-five thousand, eight hundred seventy-six".