5449536886657 has 4 divisors (see below), whose sum is σ = 5472925457220. Its totient is φ = 5426148316096.

The previous prime is 5449536886567. The next prime is 5449536886679. The reversal of 5449536886657 is 7566886359445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1572638894401 + 3876897992256 = 1254049^2 + 1968984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5449536886657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5449536886687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11694284932 + ... + 11694285397.

It is an arithmetic number, because the mean of its divisors is an integer number (1368231364305).

Almost surely, 2^{5449536886657} is an apocalyptic number.

It is an amenable number.

5449536886657 is a deficient number, since it is larger than the sum of its proper divisors (23388570563).

5449536886657 is a wasteful number, since it uses less digits than its factorization.

5449536886657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23388570562.

The product of its digits is 5225472000, while the sum is 76.

The spelling of 5449536886657 in words is "five trillion, four hundred forty-nine billion, five hundred thirty-six million, eight hundred eighty-six thousand, six hundred fifty-seven".