6446226050557 has 8 divisors (see below), whose sum is σ = 6497272853280. Its totient is φ = 6395207111280.

The previous prime is 6446226050503. The next prime is 6446226050587. The reversal of 6446226050557 is 7550506226446.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6446226050557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446226050587) 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, 6501207 + ... + 7426852.

It is an arithmetic number, because the mean of its divisors is an integer number (812159106660).

Almost surely, 2^{6446226050557} is an apocalyptic number.

It is an amenable number.

6446226050557 is a deficient number, since it is larger than the sum of its proper divisors (51046802723).

6446226050557 is a wasteful number, since it uses less digits than its factorization.

6446226050557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13931723.

The product of its (nonzero) digits is 12096000, while the sum is 52.

The spelling of 6446226050557 in words is "six trillion, four hundred forty-six billion, two hundred twenty-six million, fifty thousand, five hundred fifty-seven".