21741082996 has 12 divisors (see below), whose sum is σ = 38058451200. Its totient is φ = 10867239800.

The previous prime is 21741082963. The next prime is 21741082999. The reversal of 21741082996 is 69928014712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21741082999) 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, 810580 + ... + 836971.

It is an arithmetic number, because the mean of its divisors is an integer number (3171537600).

Almost surely, 2^21741082996 is an apocalyptic number.

It is an amenable number.

21741082996 is a deficient number, since it is larger than the sum of its proper divisors (16317368204).

21741082996 is a wasteful number, since it uses less digits than its factorization.

21741082996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650854 (or 1650852 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 21741082996 in words is "twenty-one billion, seven hundred forty-one million, eighty-two thousand, nine hundred ninety-six".