2094801989 has 12 divisors (see below), whose sum is σ = 2464195500. Its totient is φ = 1775366208.

The previous prime is 2094801983. The next prime is 2094801991. The reversal of 2094801989 is 9891084902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1479017764 + 615784225 = 38458^2 + 24815^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2094801989 is a prime.

It is a super-2 number, since 2×2094801989² = 8776390746236712242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2094801983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235814 + ... + 244535.

It is an arithmetic number, because the mean of its divisors is an integer number (205349625).

Almost surely, 2^2094801989 is an apocalyptic number.

It is an amenable number.

2094801989 is a deficient number, since it is larger than the sum of its proper divisors (369393511).

2094801989 is an equidigital number, since it uses as much as digits as its factorization.

2094801989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480452 (or 480445 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 2094801989 is about 45769.0068605383. The cubic root of 2094801989 is about 1279.5217103408.

The spelling of 2094801989 in words is "two billion, ninety-four million, eight hundred one thousand, nine hundred eighty-nine".