4971788069 has 2 divisors, whose sum is σ = 4971788070. Its totient is φ = 4971788068.

The previous prime is 4971788051. The next prime is 4971788089. The reversal of 4971788069 is 9608871794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2697451969 + 2274336100 = 51937^2 + 47690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4971788069 is a prime.

It is a super-2 number, since 2×4971788069² = 49437353206101497522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4971787999 and 4971788017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4971788089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485894034 + 2485894035.

It is an arithmetic number, because the mean of its divisors is an integer number (2485894035).

Almost surely, 2^4971788069 is an apocalyptic number.

It is an amenable number.

4971788069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4971788069 is an equidigital number, since it uses as much as digits as its factorization.

4971788069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The square root of 4971788069 is about 70510.9074470043. The cubic root of 4971788069 is about 1706.7537638953.

The spelling of 4971788069 in words is "four billion, nine hundred seventy-one million, seven hundred eighty-eight thousand, sixty-nine".