4591464649 has 2 divisors, whose sum is σ = 4591464650. Its totient is φ = 4591464648.

The previous prime is 4591464623. The next prime is 4591464671. The reversal of 4591464649 is 9464641954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4079121424 + 512343225 = 63868^2 + 22635^2 .

It is a cyclic number.

It is not a de Polignac number, because 4591464649 - 2⁵ = 4591464617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4591464596 and 4591464605.

It is not a weakly prime, because it can be changed into another prime (4591464049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2295732324 + 2295732325.

It is an arithmetic number, because the mean of its divisors is an integer number (2295732325).

Almost surely, 2^4591464649 is an apocalyptic number.

It is an amenable number.

4591464649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4591464649 is an equidigital number, since it uses as much as digits as its factorization.

4591464649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 52.

The square root of 4591464649 is about 67760.3471729595. The cubic root of 4591464649 is about 1662.0742263089.

The spelling of 4591464649 in words is "four billion, five hundred ninety-one million, four hundred sixty-four thousand, six hundred forty-nine".