2681193973247 has 8 divisors (see below), whose sum is σ = 2707398389280. Its totient is φ = 2654992892160.

The previous prime is 2681193973201. The next prime is 2681193973261. The reversal of 2681193973247 is 7423793911862.

It is a happy number.

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 2681193973247 - 2¹⁴ = 2681193956863 is a prime.

It is a super-2 number, since 2×2681193973247² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2681193973247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681193973747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797579 + ... + 2449187.

It is an arithmetic number, because the mean of its divisors is an integer number (338424798660).

Almost surely, 2^{2681193973247} is an apocalyptic number.

2681193973247 is a deficient number, since it is larger than the sum of its proper divisors (26204416033).

2681193973247 is a wasteful number, since it uses less digits than its factorization.

2681193973247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667473.

The product of its digits is 27433728, while the sum is 62.

The spelling of 2681193973247 in words is "two trillion, six hundred eighty-one billion, one hundred ninety-three million, nine hundred seventy-three thousand, two hundred forty-seven".