5166286649 has 2 divisors, whose sum is σ = 5166286650. Its totient is φ = 5166286648.

The previous prime is 5166286633. The next prime is 5166286661. The reversal of 5166286649 is 9466826615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4661475625 + 504811024 = 68275^2 + 22468^2 .

It is a cyclic number.

It is not a de Polignac number, because 5166286649 - 2⁴ = 5166286633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5166286649.

It is not a weakly prime, because it can be changed into another prime (5166280649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583143324 + 2583143325.

It is an arithmetic number, because the mean of its divisors is an integer number (2583143325).

Almost surely, 2^5166286649 is an apocalyptic number.

It is an amenable number.

5166286649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166286649 is an equidigital number, since it uses as much as digits as its factorization.

5166286649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 53.

The square root of 5166286649 is about 71876.8853596203. The cubic root of 5166286649 is about 1728.7260101616.

The spelling of 5166286649 in words is "five billion, one hundred sixty-six million, two hundred eighty-six thousand, six hundred forty-nine".