63612051148777 has 2 divisors, whose sum is σ = 63612051148778. Its totient is φ = 63612051148776.

The previous prime is 63612051148757. The next prime is 63612051148859. The reversal of 63612051148777 is 77784115021636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62234254099161 + 1377797049616 = 7888869^2 + 1173796^2 .

It is a cyclic number.

It is not a de Polignac number, because 63612051148777 - 2²⁷ = 63611916931049 is a prime.

It is not a weakly prime, because it can be changed into another prime (63612051148757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31806025574388 + 31806025574389.

It is an arithmetic number, because the mean of its divisors is an integer number (31806025574389).

Almost surely, 2^{63612051148777} is an apocalyptic number.

It is an amenable number.

63612051148777 is a deficient number, since it is larger than the sum of its proper divisors (1).

63612051148777 is an equidigital number, since it uses as much as digits as its factorization.

63612051148777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 63612051148777 in words is "sixty-three trillion, six hundred twelve billion, fifty-one million, one hundred forty-eight thousand, seven hundred seventy-seven".