4791197897 has 2 divisors, whose sum is σ = 4791197898. Its totient is φ = 4791197896.

The previous prime is 4791197893. The next prime is 4791197911. The reversal of 4791197897 is 7987911974.

4791197897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4769145481 + 22052416 = 69059^2 + 4696^2 .

It is a cyclic number.

It is not a de Polignac number, because 4791197897 - 2² = 4791197893 is a prime.

It is not a weakly prime, because it can be changed into another prime (4791197893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2395598948 + 2395598949.

It is an arithmetic number, because the mean of its divisors is an integer number (2395598949).

Almost surely, 2^4791197897 is an apocalyptic number.

It is an amenable number.

4791197897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4791197897 is an equidigital number, since it uses as much as digits as its factorization.

4791197897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8001504, while the sum is 62.

The square root of 4791197897 is about 69218.4794473268. The cubic root of 4791197897 is about 1685.8335911891.

The spelling of 4791197897 in words is "four billion, seven hundred ninety-one million, one hundred ninety-seven thousand, eight hundred ninety-seven".