9895813540 has 24 divisors (see below), whose sum is σ = 21342864312. Its totient is φ = 3851343360.

The previous prime is 9895813513. The next prime is 9895813541. The reversal of 9895813540 is 453185989.

It can be written as a sum of positive squares in 4 ways, for example, as 2465718336 + 7430095204 = 49656^2 + 86198^2 .

It is not an unprimeable number, because it can be changed into a prime (9895813541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6685621 + ... + 6687100.

It is an arithmetic number, because the mean of its divisors is an integer number (889286013).

Almost surely, 2^9895813540 is an apocalyptic number.

It is an amenable number.

9895813540 is an abundant number, since it is smaller than the sum of its proper divisors (11447050772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9895813540 is a wasteful number, since it uses less digits than its factorization.

9895813540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13372767 (or 13372765 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 9895813540 is about 99477.7037330476. The cubic root of 9895813540 is about 2146.9264566809.

The spelling of 9895813540 in words is "nine billion, eight hundred ninety-five million, eight hundred thirteen thousand, five hundred forty".