63148957609 has 2 divisors, whose sum is σ = 63148957610. Its totient is φ = 63148957608.

The previous prime is 63148957603. The next prime is 63148957633. The reversal of 63148957609 is 90675984136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57790717609 + 5358240000 = 240397^2 + 73200^2 .

It is a cyclic number.

It is not a de Polignac number, because 63148957609 - 2¹⁹ = 63148433321 is a prime.

It is not a weakly prime, because it can be changed into another prime (63148957603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31574478804 + 31574478805.

It is an arithmetic number, because the mean of its divisors is an integer number (31574478805).

Almost surely, 2^63148957609 is an apocalyptic number.

It is an amenable number.

63148957609 is a deficient number, since it is larger than the sum of its proper divisors (1).

63148957609 is an equidigital number, since it uses as much as digits as its factorization.

63148957609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 63148957609 in words is "sixty-three billion, one hundred forty-eight million, nine hundred fifty-seven thousand, six hundred nine".