21669054341 has 8 divisors (see below), whose sum is σ = 23724310944. Its totient is φ = 19628021520.

The previous prime is 21669054311. The next prime is 21669054413. The reversal of 21669054341 is 14345096612.

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 21669054341 - 2¹⁰ = 21669053317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21669054311) 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, 3552755 + ... + 3558848.

It is an arithmetic number, because the mean of its divisors is an integer number (2965538868).

Almost surely, 2^21669054341 is an apocalyptic number.

It is an amenable number.

21669054341 is a deficient number, since it is larger than the sum of its proper divisors (2055256603).

21669054341 is a wasteful number, since it uses less digits than its factorization.

21669054341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111891.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 21669054341 in words is "twenty-one billion, six hundred sixty-nine million, fifty-four thousand, three hundred forty-one".