6385896469 has 4 divisors (see below), whose sum is σ = 6386057644. Its totient is φ = 6385735296.

The previous prime is 6385896443. The next prime is 6385896499. The reversal of 6385896469 is 9646985836.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 205578244 + 6180318225 = 14338^2 + 78615^2 .

It is a cyclic number.

It is not a de Polignac number, because 6385896469 - 2⁵ = 6385896437 is a prime.

It is a super-2 number, since 2×6385896469² = 81559347425573335922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6385896469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6385896499) 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, 24679 + ... + 115675.

It is an arithmetic number, because the mean of its divisors is an integer number (1596514411).

Almost surely, 2^6385896469 is an apocalyptic number.

It is an amenable number.

6385896469 is a deficient number, since it is larger than the sum of its proper divisors (161175).

6385896469 is an equidigital number, since it uses as much as digits as its factorization.

6385896469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161174.

The product of its digits is 67184640, while the sum is 64.

The square root of 6385896469 is about 79911.8043157580. The cubic root of 6385896469 is about 1855.2707222527.

The spelling of 6385896469 in words is "six billion, three hundred eighty-five million, eight hundred ninety-six thousand, four hundred sixty-nine".