6469009647 has 16 divisors (see below), whose sum is σ = 9033845760. Its totient is φ = 4109818592.

The previous prime is 6469009627. The next prime is 6469009669. The reversal of 6469009647 is 7469009646.

It is a cyclic number.

It is not a de Polignac number, because 6469009647 - 2¹¹ = 6469007599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6469009647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6469009607) 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, 155703 + ... + 192824.

It is an arithmetic number, because the mean of its divisors is an integer number (564615360).

Almost surely, 2^6469009647 is an apocalyptic number.

6469009647 is a deficient number, since it is larger than the sum of its proper divisors (2564836113).

6469009647 is a wasteful number, since it uses less digits than its factorization.

6469009647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348822.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 6469009647 is about 80430.1538417029. The cubic root of 6469009647 is about 1863.2849076871.

Subtracting 6469009647 from its reverse (7469009646), we obtain a palindrome (999999999).

The spelling of 6469009647 in words is "six billion, four hundred sixty-nine million, nine thousand, six hundred forty-seven".