10509509783 has 2 divisors, whose sum is σ = 10509509784. Its totient is φ = 10509509782.

The previous prime is 10509509749. The next prime is 10509509831. The reversal of 10509509783 is 38790590501.

10509509783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10509509783 is a prime.

It is a super-2 number, since 2×10509509783² (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 (10509539783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5254754891 + 5254754892.

It is an arithmetic number, because the mean of its divisors is an integer number (5254754892).

Almost surely, 2^10509509783 is an apocalyptic number.

10509509783 is a deficient number, since it is larger than the sum of its proper divisors (1).

10509509783 is an equidigital number, since it uses as much as digits as its factorization.

10509509783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 10509509783 in words is "ten billion, five hundred nine million, five hundred nine thousand, seven hundred eighty-three".