655772681453 has 2 divisors, whose sum is σ = 655772681454. Its totient is φ = 655772681452.

The previous prime is 655772681429. The next prime is 655772681563. The reversal of 655772681453 is 354186277556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 649600536484 + 6172144969 = 805978^2 + 78563^2 .

It is a cyclic number.

It is not a de Polignac number, because 655772681453 - 2²⁰ = 655771632877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655772681392 and 655772681401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655772681413) 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, 327886340726 + 327886340727.

It is an arithmetic number, because the mean of its divisors is an integer number (327886340727).

Almost surely, 2^655772681453 is an apocalyptic number.

It is an amenable number.

655772681453 is a deficient number, since it is larger than the sum of its proper divisors (1).

655772681453 is an equidigital number, since it uses as much as digits as its factorization.

655772681453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336000, while the sum is 59.

The spelling of 655772681453 in words is "six hundred fifty-five billion, seven hundred seventy-two million, six hundred eighty-one thousand, four hundred fifty-three".