6463276469 has 4 divisors (see below), whose sum is σ = 6960451596. Its totient is φ = 5966101344.

The previous prime is 6463276451. The next prime is 6463276541. The reversal of 6463276469 is 9646723646.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2281972900 + 4181303569 = 47770^2 + 64663^2 .

It is a cyclic number.

It is not a de Polignac number, because 6463276469 - 2¹² = 6463272373 is a prime.

It is a super-2 number, since 2×6463276469² = 83547885429458215922, 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 6463276469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6463276669) 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 3 ways as a sum of consecutive naturals, for example, 248587544 + ... + 248587569.

It is an arithmetic number, because the mean of its divisors is an integer number (1740112899).

Almost surely, 2^6463276469 is an apocalyptic number.

It is an amenable number.

6463276469 is a deficient number, since it is larger than the sum of its proper divisors (497175127).

6463276469 is a wasteful number, since it uses less digits than its factorization.

6463276469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497175126.

The product of its digits is 7838208, while the sum is 53.

The square root of 6463276469 is about 80394.5052164636. The cubic root of 6463276469 is about 1862.7342978313.

The spelling of 6463276469 in words is "six billion, four hundred sixty-three million, two hundred seventy-six thousand, four hundred sixty-nine".