5186850397 has 2 divisors, whose sum is σ = 5186850398. Its totient is φ = 5186850396.

The previous prime is 5186850379. The next prime is 5186850481. The reversal of 5186850397 is 7930586815.

Together with previous prime (5186850379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3913002916 + 1273847481 = 62554^2 + 35691^2 .

It is a cyclic number.

It is not a de Polignac number, because 5186850397 - 2¹⁹ = 5186326109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5186850377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593425198 + 2593425199.

It is an arithmetic number, because the mean of its divisors is an integer number (2593425199).

Almost surely, 2^5186850397 is an apocalyptic number.

It is an amenable number.

5186850397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5186850397 is an equidigital number, since it uses as much as digits as its factorization.

5186850397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The square root of 5186850397 is about 72019.7917033922. The cubic root of 5186850397 is about 1731.0166317925.

The spelling of 5186850397 in words is "five billion, one hundred eighty-six million, eight hundred fifty thousand, three hundred ninety-seven".