4947143788 has 6 divisors (see below), whose sum is σ = 8657501636. Its totient is φ = 2473571892.

The previous prime is 4947143783. The next prime is 4947143797. The reversal of 4947143788 is 8873417494.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4947143783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 618392970 + ... + 618392977.

Almost surely, 2^4947143788 is an apocalyptic number.

It is an amenable number.

4947143788 is a deficient number, since it is larger than the sum of its proper divisors (3710357848).

4947143788 is a wasteful number, since it uses less digits than its factorization.

4947143788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236785951 (or 1236785949 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 55.

The square root of 4947143788 is about 70335.9352536099. The cubic root of 4947143788 is about 1703.9290652619.

The spelling of 4947143788 in words is "four billion, nine hundred forty-seven million, one hundred forty-three thousand, seven hundred eighty-eight".