2680520671 has 8 divisors (see below), whose sum is σ = 2797691904. Its totient is φ = 2563401720.

The previous prime is 2680520669. The next prime is 2680520677. The reversal of 2680520671 is 1760250862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2680520671 - 2¹ = 2680520669 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 2680520671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680520677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121150 + ... + 141556.

It is an arithmetic number, because the mean of its divisors is an integer number (349711488).

Almost surely, 2^2680520671 is an apocalyptic number.

2680520671 is a deficient number, since it is larger than the sum of its proper divisors (117171233).

2680520671 is a wasteful number, since it uses less digits than its factorization.

2680520671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26141.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2680520671 is about 51773.7449968611. The cubic root of 2680520671 is about 1389.1198594625.

The spelling of 2680520671 in words is "two billion, six hundred eighty million, five hundred twenty thousand, six hundred seventy-one".