48919265281 has 2 divisors, whose sum is σ = 48919265282. Its totient is φ = 48919265280.

The previous prime is 48919265209. The next prime is 48919265341. The reversal of 48919265281 is 18256291984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47757546225 + 1161719056 = 218535^2 + 34084^2 .

It is a cyclic number.

It is not a de Polignac number, because 48919265281 - 2¹¹ = 48919263233 is a prime.

It is a super-2 number, since 2×48919265281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48919265881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24459632640 + 24459632641.

It is an arithmetic number, because the mean of its divisors is an integer number (24459632641).

Almost surely, 2^48919265281 is an apocalyptic number.

It is an amenable number.

48919265281 is a deficient number, since it is larger than the sum of its proper divisors (1).

48919265281 is an equidigital number, since it uses as much as digits as its factorization.

48919265281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 55.

The spelling of 48919265281 in words is "forty-eight billion, nine hundred nineteen million, two hundred sixty-five thousand, two hundred eighty-one".