10978047169 has 2 divisors, whose sum is σ = 10978047170. Its totient is φ = 10978047168.

The previous prime is 10978047167. The next prime is 10978047173. The reversal of 10978047169 is 96174087901.

10978047169 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 can be written as a sum of positive squares in only one way, i.e., 10787938225 + 190108944 = 103865^2 + 13788^2 .

It is a cyclic number.

It is not a de Polignac number, because 10978047169 - 2¹ = 10978047167 is a prime.

It is a super-2 number, since 2×10978047169² (a number of 21 digits) contains 22 as substring.

Together with 10978047167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10978047167) 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, 5489023584 + 5489023585.

It is an arithmetic number, because the mean of its divisors is an integer number (5489023585).

Almost surely, 2^10978047169 is an apocalyptic number.

It is an amenable number.

10978047169 is a deficient number, since it is larger than the sum of its proper divisors (1).

10978047169 is an equidigital number, since it uses as much as digits as its factorization.

10978047169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 10978047169 in words is "ten billion, nine hundred seventy-eight million, forty-seven thousand, one hundred sixty-nine".