21550532314 has 8 divisors (see below), whose sum is σ = 32408899380. Its totient is φ = 10747565856.

The previous prime is 21550532251. The next prime is 21550532321. The reversal of 21550532314 is 41323505512.

It can be written as a sum of positive squares in 2 ways, for example, as 20951115025 + 599417289 = 144745^2 + 24483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13849179 + ... + 13850734.

Almost surely, 2^21550532314 is an apocalyptic number.

21550532314 is a deficient number, since it is larger than the sum of its proper divisors (10858367066).

21550532314 is a wasteful number, since it uses less digits than its factorization.

21550532314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27700304.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 21550532314 in words is "twenty-one billion, five hundred fifty million, five hundred thirty-two thousand, three hundred fourteen".