2656284573797 has 2 divisors, whose sum is σ = 2656284573798. Its totient is φ = 2656284573796.

The previous prime is 2656284573781. The next prime is 2656284573821. The reversal of 2656284573797 is 7973754826562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2616092744356 + 40191829441 = 1617434^2 + 200479^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656284573797 - 2⁴ = 2656284573781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2656284573797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656284573097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328142286898 + 1328142286899.

It is an arithmetic number, because the mean of its divisors is an integer number (1328142286899).

Almost surely, 2^{2656284573797} is an apocalyptic number.

It is an amenable number.

2656284573797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656284573797 is an equidigital number, since it uses as much as digits as its factorization.

2656284573797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1066867200, while the sum is 71.

The spelling of 2656284573797 in words is "two trillion, six hundred fifty-six billion, two hundred eighty-four million, five hundred seventy-three thousand, seven hundred ninety-seven".