6782269449 has 4 divisors (see below), whose sum is σ = 9043025936. Its totient is φ = 4521512964.

The previous prime is 6782269447. The next prime is 6782269451. The reversal of 6782269449 is 9449622876.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6782269447) and next prime (6782269451).

It is not a de Polignac number, because 6782269449 - 2¹ = 6782269447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6782269447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130378239 + ... + 1130378244.

It is an arithmetic number, because the mean of its divisors is an integer number (2260756484).

Almost surely, 2^6782269449 is an apocalyptic number.

It is an amenable number.

6782269449 is a deficient number, since it is larger than the sum of its proper divisors (2260756487).

6782269449 is a wasteful number, since it uses less digits than its factorization.

6782269449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260756486.

The product of its digits is 10450944, while the sum is 57.

The square root of 6782269449 is about 82354.5350845963. The cubic root of 6782269449 is about 1892.8884148847. Note that the first 3 decimals are identical.

The spelling of 6782269449 in words is "six billion, seven hundred eighty-two million, two hundred sixty-nine thousand, four hundred forty-nine".