6532443277657 has 8 divisors (see below), whose sum is σ = 7129814005440. Its totient is φ = 5935657924560.

The previous prime is 6532443277649. The next prime is 6532443277667. The reversal of 6532443277657 is 7567723442356.

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 6532443277657 - 2³ = 6532443277649 is a prime.

It is a super-2 number, since 2×6532443277657² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6532443277595 and 6532443277604.

It is not an unprimeable number, because it can be changed into a prime (6532443277667) 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, 146320333 + ... + 146364970.

It is an arithmetic number, because the mean of its divisors is an integer number (891226750680).

Almost surely, 2^{6532443277657} is an apocalyptic number.

It is an amenable number.

6532443277657 is a deficient number, since it is larger than the sum of its proper divisors (597370727783).

6532443277657 is a wasteful number, since it uses less digits than its factorization.

6532443277657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292687343.

The product of its digits is 177811200, while the sum is 61.

The spelling of 6532443277657 in words is "six trillion, five hundred thirty-two billion, four hundred forty-three million, two hundred seventy-seven thousand, six hundred fifty-seven".