5621655343441 has 8 divisors (see below), whose sum is σ = 5624465264640. Its totient is φ = 5618845845888.

The previous prime is 5621655343427. The next prime is 5621655343541. The reversal of 5621655343441 is 1443435561265.

It is a happy number.

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 5621655343441 - 2⁷ = 5621655343313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5621655343541) 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, 28327920 + ... + 28525678.

It is an arithmetic number, because the mean of its divisors is an integer number (703058158080).

Almost surely, 2^{5621655343441} is an apocalyptic number.

It is an amenable number.

5621655343441 is a deficient number, since it is larger than the sum of its proper divisors (2809921199).

5621655343441 is a wasteful number, since it uses less digits than its factorization.

5621655343441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211823.

The product of its digits is 5184000, while the sum is 49.

The spelling of 5621655343441 in words is "five trillion, six hundred twenty-one billion, six hundred fifty-five million, three hundred forty-three thousand, four hundred forty-one".