6780751620043 has 4 divisors (see below), whose sum is σ = 6780763568800. Its totient is φ = 6780739671288.

The previous prime is 6780751620023. The next prime is 6780751620077. The reversal of 6780751620043 is 3400261570876.

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 6780751620043 - 2²¹ = 6780749522891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6780751620023) 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, 5078355 + ... + 6273052.

It is an arithmetic number, because the mean of its divisors is an integer number (1695190892200).

Almost surely, 2^{6780751620043} is an apocalyptic number.

6780751620043 is a deficient number, since it is larger than the sum of its proper divisors (11948757).

6780751620043 is a wasteful number, since it uses less digits than its factorization.

6780751620043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11948756.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 6780751620043 in words is "six trillion, seven hundred eighty billion, seven hundred fifty-one million, six hundred twenty thousand, forty-three".