21190595876 has 12 divisors (see below), whose sum is σ = 37157862000. Its totient is φ = 10574063880.

The previous prime is 21190595873. The next prime is 21190595893. The reversal of 21190595876 is 67859509112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21190595873) 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, 5306270 + ... + 5310261.

It is an arithmetic number, because the mean of its divisors is an integer number (3096488500).

Almost surely, 2^21190595876 is an apocalyptic number.

It is an amenable number.

21190595876 is a deficient number, since it is larger than the sum of its proper divisors (15967266124).

21190595876 is a wasteful number, since it uses less digits than its factorization.

21190595876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10617034 (or 10617032 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 21190595876 in words is "twenty-one billion, one hundred ninety million, five hundred ninety-five thousand, eight hundred seventy-six".