63430277329 has 2 divisors, whose sum is σ = 63430277330. Its totient is φ = 63430277328.

The previous prime is 63430277321. The next prime is 63430277341. The reversal of 63430277329 is 92377203436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59097610000 + 4332667329 = 243100^2 + 65823^2 .

It is a cyclic number.

It is not a de Polignac number, because 63430277329 - 2³ = 63430277321 is a prime.

It is not a weakly prime, because it can be changed into another prime (63430277321) 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, 31715138664 + 31715138665.

It is an arithmetic number, because the mean of its divisors is an integer number (31715138665).

Almost surely, 2^63430277329 is an apocalyptic number.

It is an amenable number.

63430277329 is a deficient number, since it is larger than the sum of its proper divisors (1).

63430277329 is an equidigital number, since it uses as much as digits as its factorization.

63430277329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 46.

The spelling of 63430277329 in words is "sixty-three billion, four hundred thirty million, two hundred seventy-seven thousand, three hundred twenty-nine".