2681877911 has 4 divisors (see below), whose sum is σ = 2823029400. Its totient is φ = 2540726424.

The previous prime is 2681877907. The next prime is 2681877917. The reversal of 2681877911 is 1197781862.

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 2681877911 - 2² = 2681877907 is a prime.

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 2681877911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681877917) 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, 70575716 + ... + 70575753.

It is an arithmetic number, because the mean of its divisors is an integer number (705757350).

Almost surely, 2^2681877911 is an apocalyptic number.

2681877911 is a deficient number, since it is larger than the sum of its proper divisors (141151489).

2681877911 is a wasteful number, since it uses less digits than its factorization.

2681877911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141151488.

The product of its digits is 338688, while the sum is 50.

The square root of 2681877911 is about 51786.8507538352. The cubic root of 2681877911 is about 1389.3542729900.

The spelling of 2681877911 in words is "two billion, six hundred eighty-one million, eight hundred seventy-seven thousand, nine hundred eleven".