2873981657 has 8 divisors (see below), whose sum is σ = 2945750976. Its totient is φ = 2802862192.

The previous prime is 2873981651. The next prime is 2873981659. The reversal of 2873981657 is 7561893782.

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 2873981657 - 2¹⁰ = 2873980633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2873981651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153503 + ... + 171204.

It is an arithmetic number, because the mean of its divisors is an integer number (368218872).

Almost surely, 2^2873981657 is an apocalyptic number.

It is an amenable number.

2873981657 is a deficient number, since it is larger than the sum of its proper divisors (71769319).

2873981657 is a wasteful number, since it uses less digits than its factorization.

2873981657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324927.

The product of its digits is 5080320, while the sum is 56.

The square root of 2873981657 is about 53609.5295353354. The cubic root of 2873981657 is about 1421.7655841849.

The spelling of 2873981657 in words is "two billion, eight hundred seventy-three million, nine hundred eighty-one thousand, six hundred fifty-seven".