5478090869 has 2 divisors, whose sum is σ = 5478090870. Its totient is φ = 5478090868.

The previous prime is 5478090857. The next prime is 5478090883. The reversal of 5478090869 is 9680908745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5049807844 + 428283025 = 71062^2 + 20695^2 .

It is a cyclic number.

It is not a de Polignac number, because 5478090869 - 2²⁸ = 5209655413 is a prime.

It is a super-2 number, since 2×5478090869² = 60018959138042350322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5478090809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2739045434 + 2739045435.

It is an arithmetic number, because the mean of its divisors is an integer number (2739045435).

Almost surely, 2^5478090869 is an apocalyptic number.

It is an amenable number.

5478090869 is a deficient number, since it is larger than the sum of its proper divisors (1).

5478090869 is an equidigital number, since it uses as much as digits as its factorization.

5478090869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 5478090869 is about 74014.1261449461. The cubic root of 5478090869 is about 1762.8272041711.

It can be divided in two parts, 5 and 478090869, that added together give a palindrome (478090874).

The spelling of 5478090869 in words is "five billion, four hundred seventy-eight million, ninety thousand, eight hundred sixty-nine".