10309816519 has 2 divisors, whose sum is σ = 10309816520. Its totient is φ = 10309816518.

The previous prime is 10309816511. The next prime is 10309816547. The reversal of 10309816519 is 91561890301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10309816519 - 2³ = 10309816511 is a prime.

It is a super-2 number, since 2×10309816519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10309816511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5154908259 + 5154908260.

It is an arithmetic number, because the mean of its divisors is an integer number (5154908260).

Almost surely, 2^10309816519 is an apocalyptic number.

10309816519 is a deficient number, since it is larger than the sum of its proper divisors (1).

10309816519 is an equidigital number, since it uses as much as digits as its factorization.

10309816519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 43.

The spelling of 10309816519 in words is "ten billion, three hundred nine million, eight hundred sixteen thousand, five hundred nineteen".