2611091843 has 2 divisors, whose sum is σ = 2611091844. Its totient is φ = 2611091842.

The previous prime is 2611091827. The next prime is 2611091957. The reversal of 2611091843 is 3481901162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2611091843 - 2⁴ = 2611091827 is a prime.

It is a super-2 number, since 2×2611091843² = 13635601225162273298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2611051843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305545921 + 1305545922.

It is an arithmetic number, because the mean of its divisors is an integer number (1305545922).

Almost surely, 2^2611091843 is an apocalyptic number.

2611091843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611091843 is an equidigital number, since it uses as much as digits as its factorization.

2611091843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 2611091843 is about 51098.8438518916. The cubic root of 2611091843 is about 1377.0214837868.

The spelling of 2611091843 in words is "two billion, six hundred eleven million, ninety-one thousand, eight hundred forty-three".