948771454489 has 2 divisors, whose sum is σ = 948771454490. Its totient is φ = 948771454488.

The previous prime is 948771454487. The next prime is 948771454523. The reversal of 948771454489 is 984454177849.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 526628878864 + 422142575625 = 725692^2 + 649725^2 .

It is a cyclic number.

It is not a de Polignac number, because 948771454489 - 2¹ = 948771454487 is a prime.

It is a super-2 number, since 2×948771454489² (a number of 25 digits) contains 22 as substring.

Together with 948771454487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (948771454487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474385727244 + 474385727245.

It is an arithmetic number, because the mean of its divisors is an integer number (474385727245).

Almost surely, 2^948771454489 is an apocalyptic number.

It is an amenable number.

948771454489 is a deficient number, since it is larger than the sum of its proper divisors (1).

948771454489 is an equidigital number, since it uses as much as digits as its factorization.

948771454489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 325140480, while the sum is 70.

The spelling of 948771454489 in words is "nine hundred forty-eight billion, seven hundred seventy-one million, four hundred fifty-four thousand, four hundred eighty-nine".