10950987869 has 4 divisors (see below), whose sum is σ = 11595163644. Its totient is φ = 10306812096.

The previous prime is 10950987857. The next prime is 10950987871. The reversal of 10950987869 is 96878905901.

10950987869 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 6989796025 + 3961191844 = 83605^2 + 62938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10950987869 is a prime.

It is a super-2 number, since 2×10950987869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10950987469) 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, 322087862 + ... + 322087895.

It is an arithmetic number, because the mean of its divisors is an integer number (2898790911).

Almost surely, 2^10950987869 is an apocalyptic number.

It is an amenable number.

10950987869 is a deficient number, since it is larger than the sum of its proper divisors (644175775).

10950987869 is an equidigital number, since it uses as much as digits as its factorization.

10950987869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644175774.

The product of its (nonzero) digits is 9797760, while the sum is 62.

The spelling of 10950987869 in words is "ten billion, nine hundred fifty million, nine hundred eighty-seven thousand, eight hundred sixty-nine".