5042978197 has 2 divisors, whose sum is σ = 5042978198. Its totient is φ = 5042978196.

The previous prime is 5042978179. The next prime is 5042978207. The reversal of 5042978197 is 7918792405.

Together with previous prime (5042978179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4909945041 + 133033156 = 70071^2 + 11534^2 .

It is a cyclic number.

It is not a de Polignac number, because 5042978197 - 2²⁷ = 4908760469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5042973197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2521489098 + 2521489099.

It is an arithmetic number, because the mean of its divisors is an integer number (2521489099).

Almost surely, 2^5042978197 is an apocalyptic number.

It is an amenable number.

5042978197 is a deficient number, since it is larger than the sum of its proper divisors (1).

5042978197 is an equidigital number, since it uses as much as digits as its factorization.

5042978197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The square root of 5042978197 is about 71013.9295983542. The cubic root of 5042978197 is about 1714.8614209156.

The spelling of 5042978197 in words is "five billion, forty-two million, nine hundred seventy-eight thousand, one hundred ninety-seven".