48918468409 has 2 divisors, whose sum is σ = 48918468410. Its totient is φ = 48918468408.

The previous prime is 48918468377. The next prime is 48918468491. The reversal of 48918468409 is 90486481984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44913477184 + 4004991225 = 211928^2 + 63285^2 .

It is a cyclic number.

It is not a de Polignac number, because 48918468409 - 2⁵ = 48918468377 is a prime.

It is not a weakly prime, because it can be changed into another prime (48918468509) 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, 24459234204 + 24459234205.

It is an arithmetic number, because the mean of its divisors is an integer number (24459234205).

Almost surely, 2^48918468409 is an apocalyptic number.

It is an amenable number.

48918468409 is a deficient number, since it is larger than the sum of its proper divisors (1).

48918468409 is an equidigital number, since it uses as much as digits as its factorization.

48918468409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15925248, while the sum is 61.

The spelling of 48918468409 in words is "forty-eight billion, nine hundred eighteen million, four hundred sixty-eight thousand, four hundred nine".