9895503949 has 2 divisors, whose sum is σ = 9895503950. Its totient is φ = 9895503948.

The previous prime is 9895503941. The next prime is 9895503967. The reversal of 9895503949 is 9493055989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5739123049 + 4156380900 = 75757^2 + 64470^2 .

It is an emirp because it is prime and its reverse (9493055989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9895503949 - 2³ = 9895503941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9895503941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4947751974 + 4947751975.

It is an arithmetic number, because the mean of its divisors is an integer number (4947751975).

Almost surely, 2^9895503949 is an apocalyptic number.

It is an amenable number.

9895503949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9895503949 is an equidigital number, since it uses as much as digits as its factorization.

9895503949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15746400, while the sum is 61.

The square root of 9895503949 is about 99476.1476385168. The cubic root of 9895503949 is about 2146.9040675485.

The spelling of 9895503949 in words is "nine billion, eight hundred ninety-five million, five hundred three thousand, nine hundred forty-nine".