6496849502081 has 8 divisors (see below), whose sum is σ = 6635616019560. Its totient is φ = 6358682408832.

The previous prime is 6496849502021. The next prime is 6496849502089. The reversal of 6496849502081 is 1802059486946.

It can be written as a sum of positive squares in 4 ways, for example, as 2650579363600 + 3846270138481 = 1628060^2 + 1961191^2 .

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 6496849502081 - 2¹⁰ = 6496849501057 is a prime.

It is a super-2 number, since 2×6496849502081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6496849502089) 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, 149834150 + ... + 149877503.

It is an arithmetic number, because the mean of its divisors is an integer number (829452002445).

Almost surely, 2^{6496849502081} is an apocalyptic number.

It is an amenable number.

6496849502081 is a deficient number, since it is larger than the sum of its proper divisors (138766517479).

6496849502081 is a wasteful number, since it uses less digits than its factorization.

6496849502081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299712115.

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 6496849502081 in words is "six trillion, four hundred ninety-six billion, eight hundred forty-nine million, five hundred two thousand, eighty-one".