63128858297 has 2 divisors, whose sum is σ = 63128858298. Its totient is φ = 63128858296.

The previous prime is 63128858263. The next prime is 63128858347. The reversal of 63128858297 is 79285882136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56394850576 + 6734007721 = 237476^2 + 82061^2 .

It is a cyclic number.

It is not a de Polignac number, because 63128858297 - 2¹⁰ = 63128857273 is a prime.

It is not a weakly prime, because it can be changed into another prime (63128858207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31564429148 + 31564429149.

It is an arithmetic number, because the mean of its divisors is an integer number (31564429149).

Almost surely, 2^63128858297 is an apocalyptic number.

It is an amenable number.

63128858297 is a deficient number, since it is larger than the sum of its proper divisors (1).

63128858297 is an equidigital number, since it uses as much as digits as its factorization.

63128858297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 59.

The spelling of 63128858297 in words is "sixty-three billion, one hundred twenty-eight million, eight hundred fifty-eight thousand, two hundred ninety-seven".