2791681093 has 2 divisors, whose sum is σ = 2791681094. Its totient is φ = 2791681092.

The previous prime is 2791681003. The next prime is 2791681127. The reversal of 2791681093 is 3901861972.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2439668449 + 352012644 = 49393^2 + 18762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2791681093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2791681003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395840546 + 1395840547.

It is an arithmetic number, because the mean of its divisors is an integer number (1395840547).

Almost surely, 2^2791681093 is an apocalyptic number.

It is an amenable number.

2791681093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2791681093 is an equidigital number, since it uses as much as digits as its factorization.

2791681093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 2791681093 is about 52836.3614663235. The cubic root of 2791681093 is about 1408.0625088266.

The spelling of 2791681093 in words is "two billion, seven hundred ninety-one million, six hundred eighty-one thousand, ninety-three".