6780226545739 has 2 divisors, whose sum is σ = 6780226545740. Its totient is φ = 6780226545738.

The previous prime is 6780226545731. The next prime is 6780226545767. The reversal of 6780226545739 is 9375456220876.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6780226545739 - 2³ = 6780226545731 is a prime.

It is a super-2 number, since 2×6780226545739² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6780226545731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3390113272869 + 3390113272870.

It is an arithmetic number, because the mean of its divisors is an integer number (3390113272870).

Almost surely, 2^{6780226545739} is an apocalyptic number.

6780226545739 is a deficient number, since it is larger than the sum of its proper divisors (1).

6780226545739 is an equidigital number, since it uses as much as digits as its factorization.

6780226545739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 152409600, while the sum is 64.

The spelling of 6780226545739 in words is "six trillion, seven hundred eighty billion, two hundred twenty-six million, five hundred forty-five thousand, seven hundred thirty-nine".