4123918648 has 8 divisors (see below), whose sum is σ = 7732347480. Its totient is φ = 2061959320.

The previous prime is 4123918597. The next prime is 4123918649. The reversal of 4123918648 is 8468193214.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4123918598 and 4123918607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123918649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257744908 + ... + 257744923.

It is an arithmetic number, because the mean of its divisors is an integer number (966543435).

Almost surely, 2^4123918648 is an apocalyptic number.

It is an amenable number.

4123918648 is a deficient number, since it is larger than the sum of its proper divisors (3608428832).

4123918648 is a wasteful number, since it uses less digits than its factorization.

4123918648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515489837 (or 515489833 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 4123918648 is about 64217.7440276439. The cubic root of 4123918648 is about 1603.6270124004.

The spelling of 4123918648 in words is "four billion, one hundred twenty-three million, nine hundred eighteen thousand, six hundred forty-eight".