655155525793 has 2 divisors, whose sum is σ = 655155525794. Its totient is φ = 655155525792.

The previous prime is 655155525749. The next prime is 655155525833. The reversal of 655155525793 is 397525551556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 646139453584 + 9016072209 = 803828^2 + 94953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655155525793 is a prime.

It is not a weakly prime, because it can be changed into another prime (655155525733) 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, 327577762896 + 327577762897.

It is an arithmetic number, because the mean of its divisors is an integer number (327577762897).

Almost surely, 2^655155525793 is an apocalyptic number.

It is an amenable number.

655155525793 is a deficient number, since it is larger than the sum of its proper divisors (1).

655155525793 is an equidigital number, since it uses as much as digits as its factorization.

655155525793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35437500, while the sum is 58.

The spelling of 655155525793 in words is "six hundred fifty-five billion, one hundred fifty-five million, five hundred twenty-five thousand, seven hundred ninety-three".