2798473989 has 12 divisors (see below), whose sum is σ = 3963699104. Its totient is φ = 1755904704.

The previous prime is 2798473967. The next prime is 2798474011. The reversal of 2798473989 is 9893748972.

It is an interprime number because it is at equal distance from previous prime (2798473967) and next prime (2798474011).

It is not a de Polignac number, because 2798473989 - 2⁷ = 2798473861 is a prime.

It is a super-3 number, since 3×2798473989³ (a number of 29 digits) contains 333 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 (2798473939) 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, 1613017 + ... + 1614750.

Almost surely, 2^2798473989 is an apocalyptic number.

It is an amenable number.

2798473989 is a deficient number, since it is larger than the sum of its proper divisors (1165225115).

2798473989 is a wasteful number, since it uses less digits than its factorization.

2798473989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227804 (or 3227787 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 66.

The square root of 2798473989 is about 52900.6048075067. The cubic root of 2798473989 is about 1409.2036461825.

The spelling of 2798473989 in words is "two billion, seven hundred ninety-eight million, four hundred seventy-three thousand, nine hundred eighty-nine".