63858120097 has 2 divisors, whose sum is σ = 63858120098. Its totient is φ = 63858120096.

The previous prime is 63858120019. The next prime is 63858120101. The reversal of 63858120097 is 79002185836.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51108097041 + 12750023056 = 226071^2 + 112916^2 .

It is a cyclic number.

It is not a de Polignac number, because 63858120097 - 2¹⁵ = 63858087329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63858120097.

It is not a weakly prime, because it can be changed into another prime (63858121097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31929060048 + 31929060049.

It is an arithmetic number, because the mean of its divisors is an integer number (31929060049).

Almost surely, 2^63858120097 is an apocalyptic number.

It is an amenable number.

63858120097 is a deficient number, since it is larger than the sum of its proper divisors (1).

63858120097 is an equidigital number, since it uses as much as digits as its factorization.

63858120097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 63858120097 in words is "sixty-three billion, eight hundred fifty-eight million, one hundred twenty thousand, ninety-seven".