655051403129 has 2 divisors, whose sum is σ = 655051403130. Its totient is φ = 655051403128.

The previous prime is 655051403117. The next prime is 655051403191. The reversal of 655051403129 is 921304150556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577782414400 + 77268988729 = 760120^2 + 277973^2 .

It is a cyclic number.

It is not a de Polignac number, because 655051403129 - 2¹⁶ = 655051337593 is a prime.

It is not a weakly prime, because it can be changed into another prime (655051408129) 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, 327525701564 + 327525701565.

It is an arithmetic number, because the mean of its divisors is an integer number (327525701565).

Almost surely, 2^655051403129 is an apocalyptic number.

It is an amenable number.

655051403129 is a deficient number, since it is larger than the sum of its proper divisors (1).

655051403129 is an equidigital number, since it uses as much as digits as its factorization.

655051403129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 655051403129 in words is "six hundred fifty-five billion, fifty-one million, four hundred three thousand, one hundred twenty-nine".