2731666898 has 32 divisors (see below), whose sum is σ = 4557772800. Its totient is φ = 1221991056.

The previous prime is 2731666853. The next prime is 2731666909. The reversal of 2731666898 is 8986661372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49265 + ... + 88827.

It is an arithmetic number, because the mean of its divisors is an integer number (142430400).

Almost surely, 2^2731666898 is an apocalyptic number.

2731666898 is a deficient number, since it is larger than the sum of its proper divisors (1826105902).

2731666898 is a wasteful number, since it uses less digits than its factorization.

2731666898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39686.

The product of its digits is 5225472, while the sum is 56.

The square root of 2731666898 is about 52265.3508359027. The cubic root of 2731666898 is about 1397.8993833998.

The spelling of 2731666898 in words is "two billion, seven hundred thirty-one million, six hundred sixty-six thousand, eight hundred ninety-eight".