2873566081 has 4 divisors (see below), whose sum is σ = 2873675952. Its totient is φ = 2873456212.

The previous prime is 2873566079. The next prime is 2873566103. The reversal of 2873566081 is 1806653782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1806653782 = 2 ⋅903326891.

It is a cyclic number.

It is not a de Polignac number, because 2873566081 - 2¹ = 2873566079 is a prime.

It is a super-2 number, since 2×2873566081² = 16514764043747397122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2873566021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9450 + ... + 76396.

It is an arithmetic number, because the mean of its divisors is an integer number (718418988).

Almost surely, 2^2873566081 is an apocalyptic number.

It is an amenable number.

2873566081 is a deficient number, since it is larger than the sum of its proper divisors (109871).

2873566081 is an equidigital number, since it uses as much as digits as its factorization.

2873566081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109870.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 2873566081 is about 53605.6534425241. The cubic root of 2873566081 is about 1421.6970520686.

The spelling of 2873566081 in words is "two billion, eight hundred seventy-three million, five hundred sixty-six thousand, eighty-one".