2680936091 has 16 divisors (see below), whose sum is σ = 2883133440. Its totient is φ = 2483994240.

The previous prime is 2680936067. The next prime is 2680936103. The reversal of 2680936091 is 1906390862.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2680936091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680936061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278090 + ... + 287568.

It is an arithmetic number, because the mean of its divisors is an integer number (180195840).

Almost surely, 2^2680936091 is an apocalyptic number.

2680936091 is a deficient number, since it is larger than the sum of its proper divisors (202197349).

2680936091 is a wasteful number, since it uses less digits than its factorization.

2680936091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9754.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 2680936091 is about 51777.7567204297. The cubic root of 2680936091 is about 1389.1916164623.

The spelling of 2680936091 in words is "two billion, six hundred eighty million, nine hundred thirty-six thousand, ninety-one".