655970288137 has 2 divisors, whose sum is σ = 655970288138. Its totient is φ = 655970288136.

The previous prime is 655970288101. The next prime is 655970288147. The reversal of 655970288137 is 731882079556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 558433376656 + 97536911481 = 747284^2 + 312309^2 .

It is a cyclic number.

It is not a de Polignac number, because 655970288137 - 2⁷ = 655970288009 is a prime.

It is not a weakly prime, because it can be changed into another prime (655970288147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327985144068 + 327985144069.

It is an arithmetic number, because the mean of its divisors is an integer number (327985144069).

Almost surely, 2^655970288137 is an apocalyptic number.

It is an amenable number.

655970288137 is a deficient number, since it is larger than the sum of its proper divisors (1).

655970288137 is an equidigital number, since it uses as much as digits as its factorization.

655970288137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 61.

The spelling of 655970288137 in words is "six hundred fifty-five billion, nine hundred seventy million, two hundred eighty-eight thousand, one hundred thirty-seven".