63125762617 has 2 divisors, whose sum is σ = 63125762618. Its totient is φ = 63125762616.

The previous prime is 63125762599. The next prime is 63125762639. The reversal of 63125762617 is 71626752136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60865330681 + 2260431936 = 246709^2 + 47544^2 .

It is a cyclic number.

It is not a de Polignac number, because 63125762617 - 2¹⁹ = 63125238329 is a prime.

It is not a weakly prime, because it can be changed into another prime (63125762647) 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, 31562881308 + 31562881309.

It is an arithmetic number, because the mean of its divisors is an integer number (31562881309).

Almost surely, 2^63125762617 is an apocalyptic number.

It is an amenable number.

63125762617 is a deficient number, since it is larger than the sum of its proper divisors (1).

63125762617 is an equidigital number, since it uses as much as digits as its factorization.

63125762617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The spelling of 63125762617 in words is "sixty-three billion, one hundred twenty-five million, seven hundred sixty-two thousand, six hundred seventeen".