21446676327 has 8 divisors (see below), whose sum is σ = 29581622640. Its totient is φ = 13804757120.

The previous prime is 21446676323. The next prime is 21446676343. The reversal of 21446676327 is 72367664412.

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

It is a cyclic number.

It is not a de Polignac number, because 21446676327 - 2² = 21446676323 is a prime.

It is a super-3 number, since 3×21446676327³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21446676323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123256674 + ... + 123256847.

It is an arithmetic number, because the mean of its divisors is an integer number (3697702830).

Almost surely, 2^21446676327 is an apocalyptic number.

21446676327 is a deficient number, since it is larger than the sum of its proper divisors (8134946313).

21446676327 is a wasteful number, since it uses less digits than its factorization.

21446676327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246513553.

The product of its digits is 2032128, while the sum is 48.

The spelling of 21446676327 in words is "twenty-one billion, four hundred forty-six million, six hundred seventy-six thousand, three hundred twenty-seven".