6449414385 has 16 divisors (see below), whose sum is σ = 10324100160. Its totient is φ = 3438008640.

The previous prime is 6449414381. The next prime is 6449414417. The reversal of 6449414385 is 5834149446.

It is a happy number.

It is not a de Polignac number, because 6449414385 - 2² = 6449414381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6449414381) 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, 72871 + ... + 134940.

It is an arithmetic number, because the mean of its divisors is an integer number (645256260).

Almost surely, 2^6449414385 is an apocalyptic number.

It is an amenable number.

6449414385 is a deficient number, since it is larger than the sum of its proper divisors (3874685775).

6449414385 is a wasteful number, since it uses less digits than its factorization.

6449414385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209888.

The product of its digits is 1658880, while the sum is 48.

The square root of 6449414385 is about 80308.2460585462. The cubic root of 6449414385 is about 1861.4016475594.

The spelling of 6449414385 in words is "six billion, four hundred forty-nine million, four hundred fourteen thousand, three hundred eighty-five".