2687124941 has 4 divisors (see below), whose sum is σ = 2845191132. Its totient is φ = 2529058752.

The previous prime is 2687124901. The next prime is 2687124959. The reversal of 2687124941 is 1494217862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1336194916 + 1350930025 = 36554^2 + 36755^2 .

It is a cyclic number.

It is not a de Polignac number, because 2687124941 - 2⁶ = 2687124877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2687124892 and 2687124901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687124901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79033070 + ... + 79033103.

It is an arithmetic number, because the mean of its divisors is an integer number (711297783).

Almost surely, 2^2687124941 is an apocalyptic number.

It is an amenable number.

2687124941 is a deficient number, since it is larger than the sum of its proper divisors (158066191).

2687124941 is a wasteful number, since it uses less digits than its factorization.

2687124941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158066190.

The product of its digits is 193536, while the sum is 44.

The square root of 2687124941 is about 51837.4858668898. The cubic root of 2687124941 is about 1390.2597621941.

The spelling of 2687124941 in words is "two billion, six hundred eighty-seven million, one hundred twenty-four thousand, nine hundred forty-one".