4641909091 has 2 divisors, whose sum is σ = 4641909092. Its totient is φ = 4641909090.

The previous prime is 4641909089. The next prime is 4641909119. The reversal of 4641909091 is 1909091464.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4641909091 - 2¹ = 4641909089 is a prime.

Together with 4641909089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4641909001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320954545 + 2320954546.

It is an arithmetic number, because the mean of its divisors is an integer number (2320954546).

Almost surely, 2^4641909091 is an apocalyptic number.

4641909091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4641909091 is an equidigital number, since it uses as much as digits as its factorization.

4641909091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 4641909091 is about 68131.5572330473. The cubic root of 4641909091 is about 1668.1389011635.

The spelling of 4641909091 in words is "four billion, six hundred forty-one million, nine hundred nine thousand, ninety-one".