2681221862 has 8 divisors (see below), whose sum is σ = 4387453992. Its totient is φ = 1218737200.

The previous prime is 2681221817. The next prime is 2681221889.

2681221862 is nontrivially palindromic in base 10.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 60936839 + ... + 60936882.

It is an arithmetic number, because the mean of its divisors is an integer number (548431749).

Almost surely, 2^2681221862 is an apocalyptic number.

2681221862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2681221862 is a deficient number, since it is larger than the sum of its proper divisors (1706232130).

2681221862 is a wasteful number, since it uses less digits than its factorization.

2681221862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121873734.

The product of its digits is 36864, while the sum is 38.

The square root of 2681221862 is about 51780.5162392188. The cubic root of 2681221862 is about 1389.2409744177.

The spelling of 2681221862 in words is "two billion, six hundred eighty-one million, two hundred twenty-one thousand, eight hundred sixty-two".