5478873181 has 2 divisors, whose sum is σ = 5478873182. Its totient is φ = 5478873180.

The previous prime is 5478873167. The next prime is 5478873221. The reversal of 5478873181 is 1813788745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3641036281 + 1837836900 = 60341^2 + 42870^2 .

It is a cyclic number.

It is not a de Polignac number, because 5478873181 - 2⁵ = 5478873149 is a prime.

It is a super-2 number, since 2×5478873181² = 60036102666962117522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5478873121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2739436590 + 2739436591.

It is an arithmetic number, because the mean of its divisors is an integer number (2739436591).

Almost surely, 2^5478873181 is an apocalyptic number.

It is an amenable number.

5478873181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5478873181 is an equidigital number, since it uses as much as digits as its factorization.

5478873181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1505280, while the sum is 52.

The square root of 5478873181 is about 74019.4108393197. The cubic root of 5478873181 is about 1762.9111151093.

The spelling of 5478873181 in words is "five billion, four hundred seventy-eight million, eight hundred seventy-three thousand, one hundred eighty-one".