6449245111 has 4 divisors (see below), whose sum is σ = 6515732272. Its totient is φ = 6382757952.

The previous prime is 6449245037. The next prime is 6449245129. The reversal of 6449245111 is 1115429446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1115429446 = 2 ⋅557714723.

It is a cyclic number.

It is not a de Polignac number, because 6449245111 - 2²⁹ = 5912374199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449240111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33243435 + ... + 33243628.

It is an arithmetic number, because the mean of its divisors is an integer number (1628933068).

Almost surely, 2^6449245111 is an apocalyptic number.

6449245111 is a deficient number, since it is larger than the sum of its proper divisors (66487161).

6449245111 is an equidigital number, since it uses as much as digits as its factorization.

6449245111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66487160.

The product of its digits is 34560, while the sum is 37.

The square root of 6449245111 is about 80307.1921498940. The cubic root of 6449245111 is about 1861.3853623775.

The spelling of 6449245111 in words is "six billion, four hundred forty-nine million, two hundred forty-five thousand, one hundred eleven".