4665555091 has 2 divisors, whose sum is σ = 4665555092. Its totient is φ = 4665555090.

The previous prime is 4665555079. The next prime is 4665555109. The reversal of 4665555091 is 1905555664.

Together with next prime (4665555109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4665555091 - 2¹¹ = 4665553043 is a prime.

It is not a weakly prime, because it can be changed into another prime (4665555001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2332777545 + 2332777546.

It is an arithmetic number, because the mean of its divisors is an integer number (2332777546).

Almost surely, 2^4665555091 is an apocalyptic number.

4665555091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4665555091 is an equidigital number, since it uses as much as digits as its factorization.

4665555091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810000, while the sum is 46.

The square root of 4665555091 is about 68304.8687210509. The cubic root of 4665555091 is about 1670.9666187379.

The spelling of 4665555091 in words is "four billion, six hundred sixty-five million, five hundred fifty-five thousand, ninety-one".