4178488049 has 4 divisors (see below), whose sum is σ = 4179433380. Its totient is φ = 4177542720.

The previous prime is 4178488009. The next prime is 4178488057. The reversal of 4178488049 is 9408848714.

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 2212009024 + 1966479025 = 47032^2 + 44345^2 .

It is a cyclic number.

It is not a de Polignac number, because 4178488049 - 2²⁸ = 3910052593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4178488009) 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, 466004 + ... + 474885.

It is an arithmetic number, because the mean of its divisors is an integer number (1044858345).

Almost surely, 2^4178488049 is an apocalyptic number.

It is an amenable number.

4178488049 is a deficient number, since it is larger than the sum of its proper divisors (945331).

4178488049 is an equidigital number, since it uses as much as digits as its factorization.

4178488049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945330.

The product of its (nonzero) digits is 2064384, while the sum is 53.

The square root of 4178488049 is about 64641.2256149278. The cubic root of 4178488049 is about 1610.6693266552.

The spelling of 4178488049 in words is "four billion, one hundred seventy-eight million, four hundred eighty-eight thousand, forty-nine".