2620766804543 has 2 divisors, whose sum is σ = 2620766804544. Its totient is φ = 2620766804542.

The previous prime is 2620766804501. The next prime is 2620766804599. The reversal of 2620766804543 is 3454086670262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2620766804543 - 2⁶ = 2620766804479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620766809543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310383402271 + 1310383402272.

It is an arithmetic number, because the mean of its divisors is an integer number (1310383402272).

Almost surely, 2^{2620766804543} is an apocalyptic number.

2620766804543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620766804543 is an equidigital number, since it uses as much as digits as its factorization.

2620766804543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 2620766804543 in words is "two trillion, six hundred twenty billion, seven hundred sixty-six million, eight hundred four thousand, five hundred forty-three".