4545679091 has 2 divisors, whose sum is σ = 4545679092. Its totient is φ = 4545679090.

The previous prime is 4545679031. The next prime is 4545679109. The reversal of 4545679091 is 1909765454.

Together with next prime (4545679109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4545679091 - 2²⁶ = 4478570227 is a prime.

It is not a weakly prime, because it can be changed into another prime (4545679031) 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 as a sum of consecutive naturals, namely, 2272839545 + 2272839546.

It is an arithmetic number, because the mean of its divisors is an integer number (2272839546).

Almost surely, 2^4545679091 is an apocalyptic number.

4545679091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545679091 is an equidigital number, since it uses as much as digits as its factorization.

4545679091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 4545679091 is about 67421.6515000931. The cubic root of 4545679091 is about 1656.5310890178.

The spelling of 4545679091 in words is "four billion, five hundred forty-five million, six hundred seventy-nine thousand, ninety-one".