4263945648 has 40 divisors (see below), whose sum is σ = 11594942400. Its totient is φ = 1346508864.

The previous prime is 4263945571. The next prime is 4263945649. The reversal of 4263945648 is 8465493624.

It is a self number, because there is not a number n which added to its sum of digits gives 4263945648.

It is not an unprimeable number, because it can be changed into a prime (4263945649) 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 in 7 ways as a sum of consecutive naturals, for example, 2336778 + ... + 2338601.

It is an arithmetic number, because the mean of its divisors is an integer number (289873560).

Almost surely, 2^4263945648 is an apocalyptic number.

4263945648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4263945648 is an abundant number, since it is smaller than the sum of its proper divisors (7330996752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4263945648 is a wasteful number, since it uses less digits than its factorization.

4263945648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675409 (or 4675403 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 51.

The square root of 4263945648 is about 65298.8946920237. The cubic root of 4263945648 is about 1621.5756716413.

The spelling of 4263945648 in words is "four billion, two hundred sixty-three million, nine hundred forty-five thousand, six hundred forty-eight".