6980644500461 has 2 divisors, whose sum is σ = 6980644500462. Its totient is φ = 6980644500460.

The previous prime is 6980644500443. The next prime is 6980644500509. The reversal of 6980644500461 is 1640054460896.

6980644500461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6589745702500 + 390898797961 = 2567050^2 + 625219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6980644500461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6980644500961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3490322250230 + 3490322250231.

It is an arithmetic number, because the mean of its divisors is an integer number (3490322250231).

Almost surely, 2^{6980644500461} is an apocalyptic number.

It is an amenable number.

6980644500461 is a deficient number, since it is larger than the sum of its proper divisors (1).

6980644500461 is an equidigital number, since it uses as much as digits as its factorization.

6980644500461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 6980644500461 in words is "six trillion, nine hundred eighty billion, six hundred forty-four million, five hundred thousand, four hundred sixty-one".