4091455729 has 2 divisors, whose sum is σ = 4091455730. Its totient is φ = 4091455728.

The previous prime is 4091455663. The next prime is 4091455769. The reversal of 4091455729 is 9275541904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3736510129 + 354945600 = 61127^2 + 18840^2 .

It is a cyclic number.

It is not a de Polignac number, because 4091455729 - 2⁹ = 4091455217 is a prime.

It is not a weakly prime, because it can be changed into another prime (4091455769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045727864 + 2045727865.

It is an arithmetic number, because the mean of its divisors is an integer number (2045727865).

Almost surely, 2^4091455729 is an apocalyptic number.

It is an amenable number.

4091455729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4091455729 is an equidigital number, since it uses as much as digits as its factorization.

4091455729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 4091455729 is about 63964.4880304689. The cubic root of 4091455729 is about 1599.4080790924.

The spelling of 4091455729 in words is "four billion, ninety-one million, four hundred fifty-five thousand, seven hundred twenty-nine".