655028296493 has 2 divisors, whose sum is σ = 655028296494. Its totient is φ = 655028296492.

The previous prime is 655028296451. The next prime is 655028296553. The reversal of 655028296493 is 394692820556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506343250084 + 148685046409 = 711578^2 + 385597^2 .

It is a cyclic number.

It is not a de Polignac number, because 655028296493 - 2²² = 655024102189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655028296093) 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, 327514148246 + 327514148247.

It is an arithmetic number, because the mean of its divisors is an integer number (327514148247).

Almost surely, 2^655028296493 is an apocalyptic number.

It is an amenable number.

655028296493 is a deficient number, since it is larger than the sum of its proper divisors (1).

655028296493 is an equidigital number, since it uses as much as digits as its factorization.

655028296493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 655028296493 in words is "six hundred fifty-five billion, twenty-eight million, two hundred ninety-six thousand, four hundred ninety-three".