63116204257 has 2 divisors, whose sum is σ = 63116204258. Its totient is φ = 63116204256.

The previous prime is 63116204243. The next prime is 63116204269. The reversal of 63116204257 is 75240261136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59638035681 + 3478168576 = 244209^2 + 58976^2 .

It is a cyclic number.

It is not a de Polignac number, because 63116204257 - 2³¹ = 60968720609 is a prime.

It is a super-2 number, since 2×63116204257² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63116204237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31558102128 + 31558102129.

It is an arithmetic number, because the mean of its divisors is an integer number (31558102129).

Almost surely, 2^63116204257 is an apocalyptic number.

It is an amenable number.

63116204257 is a deficient number, since it is larger than the sum of its proper divisors (1).

63116204257 is an equidigital number, since it uses as much as digits as its factorization.

63116204257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 63116204257 in words is "sixty-three billion, one hundred sixteen million, two hundred four thousand, two hundred fifty-seven".