5109723187 has 2 divisors, whose sum is σ = 5109723188. Its totient is φ = 5109723186.

The previous prime is 5109723173. The next prime is 5109723233. The reversal of 5109723187 is 7813279015.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5109723187 is a prime.

It is a super-2 number, since 2×5109723187² = 52218542095530873938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5109723127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2554861593 + 2554861594.

It is an arithmetic number, because the mean of its divisors is an integer number (2554861594).

Almost surely, 2^5109723187 is an apocalyptic number.

5109723187 is a deficient number, since it is larger than the sum of its proper divisors (1).

5109723187 is an equidigital number, since it uses as much as digits as its factorization.

5109723187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 5109723187 is about 71482.3277950572. The cubic root of 5109723187 is about 1722.3938169986.

The spelling of 5109723187 in words is "five billion, one hundred nine million, seven hundred twenty-three thousand, one hundred eighty-seven".