9895813541 has 2 divisors, whose sum is σ = 9895813542. Its totient is φ = 9895813540.

The previous prime is 9895813513. The next prime is 9895813591. The reversal of 9895813541 is 1453185989.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6645673441 + 3250140100 = 81521^2 + 57010^2 .

It is a cyclic number.

It is not a de Polignac number, because 9895813541 - 2¹⁰ = 9895812517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9895813591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4947906770 + 4947906771.

It is an arithmetic number, because the mean of its divisors is an integer number (4947906771).

Almost surely, 2^9895813541 is an apocalyptic number.

It is an amenable number.

9895813541 is a deficient number, since it is larger than the sum of its proper divisors (1).

9895813541 is an equidigital number, since it uses as much as digits as its factorization.

9895813541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 53.

The square root of 9895813541 is about 99477.7037380739. The cubic root of 9895813541 is about 2146.9264567532.

The spelling of 9895813541 in words is "nine billion, eight hundred ninety-five million, eight hundred thirteen thousand, five hundred forty-one".