9501604649 has 2 divisors, whose sum is σ = 9501604650. Its totient is φ = 9501604648.

The previous prime is 9501604633. The next prime is 9501604669. The reversal of 9501604649 is 9464061059.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8142355225 + 1359249424 = 90235^2 + 36868^2 .

It is a cyclic number.

It is not a de Polignac number, because 9501604649 - 2⁴ = 9501604633 is a prime.

It is not a weakly prime, because it can be changed into another prime (9501604669) 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, 4750802324 + 4750802325.

It is an arithmetic number, because the mean of its divisors is an integer number (4750802325).

Almost surely, 2^9501604649 is an apocalyptic number.

It is an amenable number.

9501604649 is a deficient number, since it is larger than the sum of its proper divisors (1).

9501604649 is an equidigital number, since it uses as much as digits as its factorization.

9501604649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 9501604649 is about 97476.1747761985. The cubic root of 9501604649 is about 2118.0310312050.

The spelling of 9501604649 in words is "nine billion, five hundred one million, six hundred four thousand, six hundred forty-nine".