948417647 has 2 divisors, whose sum is σ = 948417648. Its totient is φ = 948417646.

The previous prime is 948417601. The next prime is 948417649. The reversal of 948417647 is 746714849.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 948417647 - 2⁶ = 948417583 is a prime.

Together with 948417649, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 948417595 and 948417604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948417649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474208823 + 474208824.

It is an arithmetic number, because the mean of its divisors is an integer number (474208824).

Almost surely, 2^948417647 is an apocalyptic number.

948417647 is a deficient number, since it is larger than the sum of its proper divisors (1).

948417647 is an equidigital number, since it uses as much as digits as its factorization.

948417647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The square root of 948417647 is about 30796.3901618355. The cubic root of 948417647 is about 982.5014697818.

The spelling of 948417647 in words is "nine hundred forty-eight million, four hundred seventeen thousand, six hundred forty-seven".