2681827051679 has 4 divisors (see below), whose sum is σ = 2692024112976. Its totient is φ = 2671629990384.

The previous prime is 2681827051649. The next prime is 2681827051693. The reversal of 2681827051679 is 9761507281862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2681827051679 - 2¹⁶ = 2681826986143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681827051619) 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, 5098530254 + ... + 5098530779.

It is an arithmetic number, because the mean of its divisors is an integer number (673006028244).

Almost surely, 2^{2681827051679} is an apocalyptic number.

2681827051679 is a deficient number, since it is larger than the sum of its proper divisors (10197061297).

2681827051679 is a wasteful number, since it uses less digits than its factorization.

2681827051679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10197061296.

The product of its (nonzero) digits is 20321280, while the sum is 62.

The spelling of 2681827051679 in words is "two trillion, six hundred eighty-one billion, eight hundred twenty-seven million, fifty-one thousand, six hundred seventy-nine".