5105012309 has 2 divisors, whose sum is σ = 5105012310. Its totient is φ = 5105012308.

The previous prime is 5105012287. The next prime is 5105012323. The reversal of 5105012309 is 9032105015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5029930084 + 75082225 = 70922^2 + 8665^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105012309 - 2³² = 810045013 is a prime.

It is a super-2 number, since 2×5105012309² = 52122301350083022962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5105012369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552506154 + 2552506155.

It is an arithmetic number, because the mean of its divisors is an integer number (2552506155).

Almost surely, 2^5105012309 is an apocalyptic number.

It is an amenable number.

5105012309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105012309 is an equidigital number, since it uses as much as digits as its factorization.

5105012309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 5105012309 is about 71449.3688495567. The cubic root of 5105012309 is about 1721.8643374379.

The spelling of 5105012309 in words is "five billion, one hundred five million, twelve thousand, three hundred nine".