2044642089 has 16 divisors (see below), whose sum is σ = 3199852928. Its totient is φ = 1136788992.

The previous prime is 2044642087. The next prime is 2044642091. The reversal of 2044642089 is 9802464402.

It is an interprime number because it is at equal distance from previous prime (2044642087) and next prime (2044642091).

It is not a de Polignac number, because 2044642089 - 2¹ = 2044642087 is a prime.

It is a super-2 number, since 2×2044642089² = 8361122544220567842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044642087) 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, 1314952 + ... + 1316505.

It is an arithmetic number, because the mean of its divisors is an integer number (199990808).

Almost surely, 2^2044642089 is an apocalyptic number.

It is an amenable number.

2044642089 is a deficient number, since it is larger than the sum of its proper divisors (1155210839).

2044642089 is a wasteful number, since it uses less digits than its factorization.

2044642089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631504.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 2044642089 is about 45217.7187505075. The cubic root of 2044642089 is about 1269.2264057238.

The spelling of 2044642089 in words is "two billion, forty-four million, six hundred forty-two thousand, eighty-nine".