5813690891 has 2 divisors, whose sum is σ = 5813690892. Its totient is φ = 5813690890.

The previous prime is 5813690881. The next prime is 5813690917. The reversal of 5813690891 is 1980963185.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5813690891 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5813690801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2906845445 + 2906845446.

It is an arithmetic number, because the mean of its divisors is an integer number (2906845446).

Almost surely, 2^5813690891 is an apocalyptic number.

5813690891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5813690891 is an equidigital number, since it uses as much as digits as its factorization.

5813690891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 5813690891 is about 76247.5631807338. The cubic root of 5813690891 is about 1798.1143721714.

The spelling of 5813690891 in words is "five billion, eight hundred thirteen million, six hundred ninety thousand, eight hundred ninety-one".