6783346345 has 16 divisors (see below), whose sum is σ = 8442811728. Its totient is φ = 5227718400.

The previous prime is 6783346337. The next prime is 6783346379. The reversal of 6783346345 is 5436433876.

It can be written as a sum of positive squares in 8 ways, for example, as 2641651609 + 4141694736 = 51397^2 + 64356^2 .

It is not a de Polignac number, because 6783346345 - 2³ = 6783346337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162834 + ... + 200203.

It is an arithmetic number, because the mean of its divisors is an integer number (527675733).

Almost surely, 2^6783346345 is an apocalyptic number.

It is an amenable number.

6783346345 is a deficient number, since it is larger than the sum of its proper divisors (1659465383).

6783346345 is a wasteful number, since it uses less digits than its factorization.

6783346345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363180.

The product of its digits is 4354560, while the sum is 49.

The square root of 6783346345 is about 82361.0729956816. The cubic root of 6783346345 is about 1892.9885945320.

The spelling of 6783346345 in words is "six billion, seven hundred eighty-three million, three hundred forty-six thousand, three hundred forty-five".