63320759149 has 2 divisors, whose sum is σ = 63320759150. Its totient is φ = 63320759148.

The previous prime is 63320759141. The next prime is 63320759171. The reversal of 63320759149 is 94195702336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40725258025 + 22595501124 = 201805^2 + 150318^2 .

It is a cyclic number.

It is not a de Polignac number, because 63320759149 - 2³ = 63320759141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63320759141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31660379574 + 31660379575.

It is an arithmetic number, because the mean of its divisors is an integer number (31660379575).

Almost surely, 2^63320759149 is an apocalyptic number.

It is an amenable number.

63320759149 is a deficient number, since it is larger than the sum of its proper divisors (1).

63320759149 is an equidigital number, since it uses as much as digits as its factorization.

63320759149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 63320759149 in words is "sixty-three billion, three hundred twenty million, seven hundred fifty-nine thousand, one hundred forty-nine".