5166310819 has 2 divisors, whose sum is σ = 5166310820. Its totient is φ = 5166310818.

The previous prime is 5166310817. The next prime is 5166310861. The reversal of 5166310819 is 9180136615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5166310819 - 2¹ = 5166310817 is a prime.

It is a super-2 number, since 2×5166310819² = 53381534957032901522, which contains 22 as substring.

Together with 5166310817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5166310817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583155409 + 2583155410.

It is an arithmetic number, because the mean of its divisors is an integer number (2583155410).

Almost surely, 2^5166310819 is an apocalyptic number.

5166310819 is a deficient number, since it is larger than the sum of its proper divisors (1).

5166310819 is an equidigital number, since it uses as much as digits as its factorization.

5166310819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 5166310819 is about 71877.0534941437. The cubic root of 5166310819 is about 1728.7287060529.

The spelling of 5166310819 in words is "five billion, one hundred sixty-six million, three hundred ten thousand, eight hundred nineteen".