4891448968 has 32 divisors (see below), whose sum is σ = 10653514560. Its totient is φ = 2061967680.

The previous prime is 4891448963. The next prime is 4891448983. The reversal of 4891448968 is 8698441984.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is not an unprimeable number, because it can be changed into a prime (4891448963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712546 + ... + 719377.

It is an arithmetic number, because the mean of its divisors is an integer number (332922330).

Almost surely, 2^4891448968 is an apocalyptic number.

It is an amenable number.

4891448968 is an abundant number, since it is smaller than the sum of its proper divisors (5762065592).

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

4891448968 is a wasteful number, since it uses less digits than its factorization.

4891448968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431997 (or 1431993 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 61.

The square root of 4891448968 is about 69938.8945294391. The cubic root of 4891448968 is about 1697.5106550809.

The spelling of 4891448968 in words is "four billion, eight hundred ninety-one million, four hundred forty-eight thousand, nine hundred sixty-eight".