4717987393 has 6 divisors (see below), whose sum is σ = 5488271106. Its totient is φ = 4043989152.

The previous prime is 4717987381. The next prime is 4717987403. The reversal of 4717987393 is 3937897174.

It can be written as a sum of positive squares in only one way, i.e., 3164287504 + 1553699889 = 56252^2 + 39417^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4717987393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4717987363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48142680 + ... + 48142777.

It is an arithmetic number, because the mean of its divisors is an integer number (914711851).

Almost surely, 2^4717987393 is an apocalyptic number.

It is an amenable number.

4717987393 is a deficient number, since it is larger than the sum of its proper divisors (770283713).

4717987393 is an equidigital number, since it uses as much as digits as its factorization.

4717987393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96285471 (or 96285464 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 58.

The square root of 4717987393 is about 68687.6072738016. The cubic root of 4717987393 is about 1677.2028512042.

The spelling of 4717987393 in words is "four billion, seven hundred seventeen million, nine hundred eighty-seven thousand, three hundred ninety-three".