2605116843 has 32 divisors (see below), whose sum is σ = 4413381120. Its totient is φ = 1487760480.

The previous prime is 2605116823. The next prime is 2605116863. The reversal of 2605116843 is 3486115062.

It is a happy number.

2605116843 is a `hidden beast` number, since 2 + 60 + 511 + 6 + 84 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (2605116823) and next prime (2605116863).

It is not a de Polignac number, because 2605116843 - 2¹² = 2605112747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2605116798 and 2605116807.

It is not an unprimeable number, because it can be changed into a prime (2605116823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 452821 + ... + 458537.

It is an arithmetic number, because the mean of its divisors is an integer number (137918160).

Almost surely, 2^2605116843 is an apocalyptic number.

2605116843 is a deficient number, since it is larger than the sum of its proper divisors (1808264277).

2605116843 is a wasteful number, since it uses less digits than its factorization.

2605116843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8144 (or 8138 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2605116843 is about 51040.3452476568. The cubic root of 2605116843 is about 1375.9703287260.

The spelling of 2605116843 in words is "two billion, six hundred five million, one hundred sixteen thousand, eight hundred forty-three".