21550300434606 has 8 divisors (see below), whose sum is σ = 43100600869224. Its totient is φ = 7183433478200.

The previous prime is 21550300434587. The next prime is 21550300434623. The reversal of 21550300434606 is 60643400305512.

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

21550300434606 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795858369545 + ... + 1795858369556.

It is an arithmetic number, because the mean of its divisors is an integer number (5387575108653).

Almost surely, 2^{21550300434606} is an apocalyptic number.

21550300434606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21550300434606 is a wasteful number, since it uses less digits than its factorization.

21550300434606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591716739106.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 21550300434606 in words is "twenty-one trillion, five hundred fifty billion, three hundred million, four hundred thirty-four thousand, six hundred six".