10102886509 has 4 divisors (see below), whose sum is σ = 10103091004. Its totient is φ = 10102682016.

The previous prime is 10102886461. The next prime is 10102886533. The reversal of 10102886509 is 90568820101.

10102886509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4511137225 + 5591749284 = 67165^2 + 74778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10102886509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102886539) 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 in 3 ways as a sum of consecutive naturals, for example, 22999 + ... + 143995.

It is an arithmetic number, because the mean of its divisors is an integer number (2525772751).

Almost surely, 2^10102886509 is an apocalyptic number.

It is an amenable number.

10102886509 is a deficient number, since it is larger than the sum of its proper divisors (204495).

10102886509 is an equidigital number, since it uses as much as digits as its factorization.

10102886509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204494.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 10102886509 in words is "ten billion, one hundred two million, eight hundred eighty-six thousand, five hundred nine".