4078148889 has 4 divisors (see below), whose sum is σ = 5437531856. Its totient is φ = 2718765924.

The previous prime is 4078148881. The next prime is 4078148897. The reversal of 4078148889 is 9888418704.

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 an interprime number because it is at equal distance from previous prime (4078148881) and next prime (4078148897).

It is not a de Polignac number, because 4078148889 - 2³ = 4078148881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4078148881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679691479 + ... + 679691484.

It is an arithmetic number, because the mean of its divisors is an integer number (1359382964).

Almost surely, 2^4078148889 is an apocalyptic number.

It is an amenable number.

4078148889 is a deficient number, since it is larger than the sum of its proper divisors (1359382967).

4078148889 is a wasteful number, since it uses less digits than its factorization.

4078148889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359382966.

The product of its (nonzero) digits is 4128768, while the sum is 57.

The square root of 4078148889 is about 63860.3859133344. The cubic root of 4078148889 is about 1597.6722517233.

The spelling of 4078148889 in words is "four billion, seventy-eight million, one hundred forty-eight thousand, eight hundred eighty-nine".