2873996989 has 8 divisors (see below), whose sum is σ = 2911914360. Its totient is φ = 2836204800.

The previous prime is 2873996911. The next prime is 2873997013. The reversal of 2873996989 is 9896993782.

It can be written as a sum of positive squares in 4 ways, for example, as 73788100 + 2800208889 = 8590^2 + 52917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2873996989 - 2¹³ = 2873988797 is a prime.

It is a super-2 number, since 2×2873996989² = 16519717385562132242, 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 (2873996089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15379 + ... + 77359.

It is an arithmetic number, because the mean of its divisors is an integer number (363989295).

Almost surely, 2^2873996989 is an apocalyptic number.

It is an amenable number.

2873996989 is a deficient number, since it is larger than the sum of its proper divisors (37917371).

2873996989 is an equidigital number, since it uses as much as digits as its factorization.

2873996989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62591.

The product of its digits is 105815808, while the sum is 70.

The square root of 2873996989 is about 53609.6725321094. The cubic root of 2873996989 is about 1421.7681124394.

The spelling of 2873996989 in words is "two billion, eight hundred seventy-three million, nine hundred ninety-six thousand, nine hundred eighty-nine".