4078105549 has 16 divisors (see below), whose sum is σ = 4845649536. Its totient is φ = 3359347200.

The previous prime is 4078105523. The next prime is 4078105589. The reversal of 4078105549 is 9455018704.

It is a cyclic number.

It is not a de Polignac number, because 4078105549 - 2²⁵ = 4044551117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078105589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86812 + ... + 125269.

It is an arithmetic number, because the mean of its divisors is an integer number (302853096).

Almost surely, 2^4078105549 is an apocalyptic number.

It is an amenable number.

4078105549 is a deficient number, since it is larger than the sum of its proper divisors (767543987).

4078105549 is a wasteful number, since it uses less digits than its factorization.

4078105549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212196.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 4078105549 is about 63860.0465784359. The cubic root of 4078105549 is about 1597.6665920182. Note that the first 3 decimals are identical.

The spelling of 4078105549 in words is "four billion, seventy-eight million, one hundred five thousand, five hundred forty-nine".