2680813971 has 24 divisors (see below), whose sum is σ = 4230448560. Its totient is φ = 1622376000.

The previous prime is 2680813957. The next prime is 2680813979. The reversal of 2680813971 is 1793180862.

It is not a de Polignac number, because 2680813971 - 2⁷ = 2680813843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2680813979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50085 + ... + 88713.

It is an arithmetic number, because the mean of its divisors is an integer number (176268690).

Almost surely, 2^2680813971 is an apocalyptic number.

2680813971 is a deficient number, since it is larger than the sum of its proper divisors (1549634589).

2680813971 is a wasteful number, since it uses less digits than its factorization.

2680813971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39347 (or 39344 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 2680813971 is about 51776.5774361342. The cubic root of 2680813971 is about 1389.1705230021.

The spelling of 2680813971 in words is "two billion, six hundred eighty million, eight hundred thirteen thousand, nine hundred seventy-one".