948109639667 has 2 divisors, whose sum is σ = 948109639668. Its totient is φ = 948109639666.

The previous prime is 948109639661. The next prime is 948109639691. The reversal of 948109639667 is 766936901849.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (766936901849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 948109639667 - 2²² = 948105445363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 948109639597 and 948109639606.

It is not a weakly prime, because it can be changed into another prime (948109639661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474054819833 + 474054819834.

It is an arithmetic number, because the mean of its divisors is an integer number (474054819834).

Almost surely, 2^948109639667 is an apocalyptic number.

948109639667 is a deficient number, since it is larger than the sum of its proper divisors (1).

948109639667 is an equidigital number, since it uses as much as digits as its factorization.

948109639667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105815808, while the sum is 68.

The spelling of 948109639667 in words is "nine hundred forty-eight billion, one hundred nine million, six hundred thirty-nine thousand, six hundred sixty-seven".