6780654943 has 4 divisors (see below), whose sum is σ = 6788034160. Its totient is φ = 6773275728.

The previous prime is 6780654941. The next prime is 6780654953. The reversal of 6780654943 is 3494560876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6780654943 - 2¹ = 6780654941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780654941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3688230 + ... + 3690067.

It is an arithmetic number, because the mean of its divisors is an integer number (1697008540).

Almost surely, 2^6780654943 is an apocalyptic number.

6780654943 is a deficient number, since it is larger than the sum of its proper divisors (7379217).

6780654943 is an equidigital number, since it uses as much as digits as its factorization.

6780654943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379216.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The square root of 6780654943 is about 82344.7323330400. The cubic root of 6780654943 is about 1892.7382035012.

The spelling of 6780654943 in words is "six billion, seven hundred eighty million, six hundred fifty-four thousand, nine hundred forty-three".