63377730149 has 2 divisors, whose sum is σ = 63377730150. Its totient is φ = 63377730148.

The previous prime is 63377730089. The next prime is 63377730181. The reversal of 63377730149 is 94103777336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45686070049 + 17691660100 = 213743^2 + 133010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63377730149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63377730097 and 63377730106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63377730749) 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, 31688865074 + 31688865075.

It is an arithmetic number, because the mean of its divisors is an integer number (31688865075).

Almost surely, 2^63377730149 is an apocalyptic number.

It is an amenable number.

63377730149 is a deficient number, since it is larger than the sum of its proper divisors (1).

63377730149 is an equidigital number, since it uses as much as digits as its factorization.

63377730149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000376, while the sum is 50.

The spelling of 63377730149 in words is "sixty-three billion, three hundred seventy-seven million, seven hundred thirty thousand, one hundred forty-nine".