8955963649 has 2 divisors, whose sum is σ = 8955963650. Its totient is φ = 8955963648.

The previous prime is 8955963641. The next prime is 8955963661. The reversal of 8955963649 is 9463695598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8955215424 + 748225 = 94632^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 8955963649 - 2³ = 8955963641 is a prime.

It is not a weakly prime, because it can be changed into another prime (8955963641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4477981824 + 4477981825.

It is an arithmetic number, because the mean of its divisors is an integer number (4477981825).

Almost surely, 2^8955963649 is an apocalyptic number.

It is an amenable number.

8955963649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8955963649 is an equidigital number, since it uses as much as digits as its factorization.

8955963649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62985600, while the sum is 64.

The square root of 8955963649 is about 94635.9532577339. The cubic root of 8955963649 is about 2076.6857080507.

The spelling of 8955963649 in words is "eight billion, nine hundred fifty-five million, nine hundred sixty-three thousand, six hundred forty-nine".