4781147912 has 8 divisors (see below), whose sum is σ = 8964652350. Its totient is φ = 2390573952.

The previous prime is 4781147911. The next prime is 4781147933. The reversal of 4781147912 is 2197411874.

It can be written as a sum of positive squares in only one way, i.e., 4627536676 + 153611236 = 68026^2 + 12394^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4781147911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298821737 + ... + 298821752.

Almost surely, 2^4781147912 is an apocalyptic number.

It is an amenable number.

4781147912 is a deficient number, since it is larger than the sum of its proper divisors (4183504438).

4781147912 is a wasteful number, since it uses less digits than its factorization.

4781147912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597643495 (or 597643491 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 4781147912 is about 69145.8452258702. The cubic root of 4781147912 is about 1684.6540349332.

The spelling of 4781147912 in words is "four billion, seven hundred eighty-one million, one hundred forty-seven thousand, nine hundred twelve".