4721197688 has 16 divisors (see below), whose sum is σ = 8852976000. Its totient is φ = 2360404096.

The previous prime is 4721197681. The next prime is 4721197699. The reversal of 4721197688 is 8867911274.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721197681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169193 + ... + 195111.

It is an arithmetic number, because the mean of its divisors is an integer number (553311000).

Almost surely, 2^4721197688 is an apocalyptic number.

It is an amenable number.

4721197688 is a deficient number, since it is larger than the sum of its proper divisors (4131778312).

4721197688 is a wasteful number, since it uses less digits than its factorization.

4721197688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48694 (or 48690 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 53.

The square root of 4721197688 is about 68710.9721078082. The cubic root of 4721197688 is about 1677.5831754619.

The spelling of 4721197688 in words is "four billion, seven hundred twenty-one million, one hundred ninety-seven thousand, six hundred eighty-eight".