6449060191 has 16 divisors (see below), whose sum is σ = 7555903488. Its totient is φ = 5388811200.

The previous prime is 6449060171. The next prime is 6449060197. The reversal of 6449060191 is 1910609446.

It is a cyclic number.

It is not a de Polignac number, because 6449060191 - 2⁵ = 6449060159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449060197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400506 + ... + 416296.

It is an arithmetic number, because the mean of its divisors is an integer number (472243968).

Almost surely, 2^6449060191 is an apocalyptic number.

6449060191 is a deficient number, since it is larger than the sum of its proper divisors (1106843297).

6449060191 is a wasteful number, since it uses less digits than its factorization.

6449060191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17262.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 6449060191 is about 80306.0408126313. The cubic root of 6449060191 is about 1861.3675716302.

The spelling of 6449060191 in words is "six billion, four hundred forty-nine million, sixty thousand, one hundred ninety-one".