6841440369 has 27 divisors (see below), whose sum is σ = 10037514123. Its totient is φ = 4490323344.

The previous prime is 6841440301. The next prime is 6841440433. The reversal of 6841440369 is 9630441486.

The square root of 6841440369 is 82713.

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., 5021564769 + 1819875600 = 70863^2 + 42660^2 .

It is not a de Polignac number, because 6841440369 - 2²⁵ = 6807885937 is a prime.

It is a super-2 number, since 2×6841440369² = 93610612645165712322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6841440569) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19602807 + ... + 19603155.

Almost surely, 2^6841440369 is an apocalyptic number.

6841440369 is the 82713-rd square number.

6841440369 is the 41357-th centered octagonal number.

It is an amenable number.

6841440369 is a deficient number, since it is larger than the sum of its proper divisors (3196073754).

6841440369 is an frugal number, since it uses more digits than its factorization.

6841440369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The cubic root of 6841440369 is about 1898.3772264939.

The spelling of 6841440369 in words is "six billion, eight hundred forty-one million, four hundred forty thousand, three hundred sixty-nine".