4122644889 has 16 divisors (see below), whose sum is σ = 6012414720. Its totient is φ = 2491972560.

The previous prime is 4122644873. The next prime is 4122644899. The reversal of 4122644889 is 9884462214.

It is a happy number.

It is not a de Polignac number, because 4122644889 - 2⁴ = 4122644873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4122644819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152307 + ... + 177320.

It is an arithmetic number, because the mean of its divisors is an integer number (375775920).

Almost surely, 2^4122644889 is an apocalyptic number.

It is an amenable number.

4122644889 is a deficient number, since it is larger than the sum of its proper divisors (1889769831).

4122644889 is a wasteful number, since it uses less digits than its factorization.

4122644889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330020.

The product of its digits is 884736, while the sum is 48.

The square root of 4122644889 is about 64207.8257613509. The cubic root of 4122644889 is about 1603.4618907565.

The spelling of 4122644889 in words is "four billion, one hundred twenty-two million, six hundred forty-four thousand, eight hundred eighty-nine".