6426847369 has 4 divisors (see below), whose sum is σ = 6429194820. Its totient is φ = 6424499920.

The previous prime is 6426847313. The next prime is 6426847391. The reversal of 6426847369 is 9637486246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9637486246 = 2 ⋅4818743123.

It can be written as a sum of positive squares in 2 ways, for example, as 3565881225 + 2860966144 = 59715^2 + 53488^2 .

It is a cyclic number.

It is not a de Polignac number, because 6426847369 - 2⁷ = 6426847241 is a prime.

It is a super-2 number, since 2×6426847369² = 82608734208844444322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6426847769) 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, 1169614 + ... + 1175095.

It is an arithmetic number, because the mean of its divisors is an integer number (1607298705).

Almost surely, 2^6426847369 is an apocalyptic number.

It is an amenable number.

6426847369 is a deficient number, since it is larger than the sum of its proper divisors (2347451).

6426847369 is a wasteful number, since it uses less digits than its factorization.

6426847369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347450.

The product of its digits is 10450944, while the sum is 55.

The square root of 6426847369 is about 80167.6204523996. The cubic root of 6426847369 is about 1859.2280460425.

The spelling of 6426847369 in words is "six billion, four hundred twenty-six million, eight hundred forty-seven thousand, three hundred sixty-nine".