4946512128 has 36 divisors (see below), whose sum is σ = 13164937968. Its totient is φ = 1648837120.

The previous prime is 4946512127. The next prime is 4946512139. The reversal of 4946512128 is 8212156494.

It is a self number, because there is not a number n which added to its sum of digits gives 4946512128.

It is not an unprimeable number, because it can be changed into a prime (4946512121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3219618 + ... + 3221153.

Almost surely, 2^4946512128 is an apocalyptic number.

4946512128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4946512128 is an abundant number, since it is smaller than the sum of its proper divisors (8218425840).

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

4946512128 is an equidigital number, since it uses as much as digits as its factorization.

4946512128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440790 (or 6440776 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 4946512128 is about 70331.4448024495. Note that the first 3 decimals coincide. The cubic root of 4946512128 is about 1703.8565419574.

The spelling of 4946512128 in words is "four billion, nine hundred forty-six million, five hundred twelve thousand, one hundred twenty-eight".