6499869627 has 18 divisors (see below), whose sum is σ = 8781754332. Its totient is φ = 4276365984.

The previous prime is 6499869611. The next prime is 6499869631. The reversal of 6499869627 is 7269689946.

It is not a de Polignac number, because 6499869627 - 2⁴ = 6499869611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6499869127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12427788 + ... + 12428310.

Almost surely, 2^6499869627 is an apocalyptic number.

6499869627 is a deficient number, since it is larger than the sum of its proper divisors (2281884705).

6499869627 is an frugal number, since it uses more digits than its factorization.

6499869627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 615 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 66.

The square root of 6499869627 is about 80621.7689399085. The cubic root of 6499869627 is about 1866.2431009232.

The spelling of 6499869627 in words is "six billion, four hundred ninety-nine million, eight hundred sixty-nine thousand, six hundred twenty-seven".