21595093088 has 12 divisors (see below), whose sum is σ = 42515339580. Its totient is φ = 10797546528.

The previous prime is 21595093087. The next prime is 21595093097. The reversal of 21595093088 is 88039059512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21595093087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337423298 + ... + 337423361.

It is an arithmetic number, because the mean of its divisors is an integer number (3542944965).

Almost surely, 2^21595093088 is an apocalyptic number.

It is an amenable number.

21595093088 is a deficient number, since it is larger than the sum of its proper divisors (20920246492).

21595093088 is an equidigital number, since it uses as much as digits as its factorization.

21595093088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674846669 (or 674846661 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 21595093088 in words is "twenty-one billion, five hundred ninety-five million, ninety-three thousand, eighty-eight".