6494264569 has 9 divisors (see below), whose sum is σ = 7033385583. Its totient is φ = 5993738712.

The previous prime is 6494264561. The next prime is 6494264591. The reversal of 6494264569 is 9654624946.

The square root of 6494264569 is 80587.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 960690025 + 5533574544 = 30995^2 + 74388^2 .

It is not a de Polignac number, because 6494264569 - 2³ = 6494264561 is a prime.

It is a super-2 number, since 2×6494264569² = 84350944584337511522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6494264561) 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 8 ways as a sum of consecutive naturals, for example, 1044532 + ... + 1050730.

It is an arithmetic number, because the mean of its divisors is an integer number (781487287).

Almost surely, 2^6494264569 is an apocalyptic number.

6494264569 is the 80587-th square number.

6494264569 is the 40294-th centered octagonal number.

It is an amenable number.

6494264569 is a deficient number, since it is larger than the sum of its proper divisors (539121014).

6494264569 is an frugal number, since it uses more digits than its factorization.

6494264569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12424 (or 6212 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 55.

The cubic root of 6494264569 is about 1865.7065050810.

The spelling of 6494264569 in words is "six billion, four hundred ninety-four million, two hundred sixty-four thousand, five hundred sixty-nine".