6946780759 has 2 divisors, whose sum is σ = 6946780760. Its totient is φ = 6946780758.

The previous prime is 6946780739. The next prime is 6946780777. The reversal of 6946780759 is 9570876496.

6946780759 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6946780759 is a prime.

It is a super-2 number, since 2×6946780759² = 96515525827225232162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6946780697 and 6946780706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6946780739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473390379 + 3473390380.

It is an arithmetic number, because the mean of its divisors is an integer number (3473390380).

Almost surely, 2^6946780759 is an apocalyptic number.

6946780759 is a deficient number, since it is larger than the sum of its proper divisors (1).

6946780759 is an equidigital number, since it uses as much as digits as its factorization.

6946780759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 61.

The square root of 6946780759 is about 83347.3500418580. The cubic root of 6946780759 is about 1908.0709999371.

The spelling of 6946780759 in words is "six billion, nine hundred forty-six million, seven hundred eighty thousand, seven hundred fifty-nine".