5204178181 has 4 divisors (see below), whose sum is σ = 5243904864. Its totient is φ = 5164451500.

The previous prime is 5204178169. The next prime is 5204178211. The reversal of 5204178181 is 1818714025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5204178181 - 2⁵ = 5204178149 is a prime.

It is a super-2 number, since 2×5204178181² = 54166941079192937522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5204178181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5204178101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19863145 + ... + 19863406.

It is an arithmetic number, because the mean of its divisors is an integer number (1310976216).

Almost surely, 2^5204178181 is an apocalyptic number.

It is an amenable number.

5204178181 is a deficient number, since it is larger than the sum of its proper divisors (39726683).

5204178181 is a wasteful number, since it uses less digits than its factorization.

5204178181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39726682.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 5204178181 is about 72139.9901649564. The cubic root of 5204178181 is about 1732.9420997636.

The spelling of 5204178181 in words is "five billion, two hundred four million, one hundred seventy-eight thousand, one hundred eighty-one".