6449659394411 has 32 divisors (see below), whose sum is σ = 7057662591168. Its totient is φ = 5870831616000.

The previous prime is 6449659394383. The next prime is 6449659394459. The reversal of 6449659394411 is 1144939569446.

It is a cyclic number.

It is not a de Polignac number, because 6449659394411 - 2²⁶ = 6449592285547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6449659394461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21789641 + ... + 22083653.

It is an arithmetic number, because the mean of its divisors is an integer number (220551955974).

Almost surely, 2^{6449659394411} is an apocalyptic number.

6449659394411 is a deficient number, since it is larger than the sum of its proper divisors (608003196757).

6449659394411 is a wasteful number, since it uses less digits than its factorization.

6449659394411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294431.

The product of its digits is 100776960, while the sum is 65.

The spelling of 6449659394411 in words is "six trillion, four hundred forty-nine billion, six hundred fifty-nine million, three hundred ninety-four thousand, four hundred eleven".