2671838857 has 16 divisors (see below), whose sum is σ = 2795874624. Its totient is φ = 2550744000.

The previous prime is 2671838839. The next prime is 2671838863. The reversal of 2671838857 is 7588381762.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2671838857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2671838798 and 2671838807.

It is not an unprimeable number, because it can be changed into a prime (2671838887) 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 15 ways as a sum of consecutive naturals, for example, 1106982 + ... + 1109392.

It is an arithmetic number, because the mean of its divisors is an integer number (174742164).

Almost surely, 2^2671838857 is an apocalyptic number.

It is an amenable number.

2671838857 is a deficient number, since it is larger than the sum of its proper divisors (124035767).

2671838857 is a wasteful number, since it uses less digits than its factorization.

2671838857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000.

The product of its digits is 4515840, while the sum is 55.

The square root of 2671838857 is about 51689.8332073146. The cubic root of 2671838857 is about 1387.6185188049.

The spelling of 2671838857 in words is "two billion, six hundred seventy-one million, eight hundred thirty-eight thousand, eight hundred fifty-seven".