5166243487 has 2 divisors, whose sum is σ = 5166243488. Its totient is φ = 5166243486.

The previous prime is 5166243389. The next prime is 5166243521. The reversal of 5166243487 is 7843426615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5166243487 - 2²³ = 5157854879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5166246487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583121743 + 2583121744.

It is an arithmetic number, because the mean of its divisors is an integer number (2583121744).

Almost surely, 2^5166243487 is an apocalyptic number.

5166243487 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166243487 is an equidigital number, since it uses as much as digits as its factorization.

5166243487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 46.

The square root of 5166243487 is about 71876.5851094778. The cubic root of 5166243487 is about 1728.7211959055.

The spelling of 5166243487 in words is "five billion, one hundred sixty-six million, two hundred forty-three thousand, four hundred eighty-seven".