9895465845 has 30 divisors (see below), whose sum is σ = 17742128118. Its totient is φ = 5276514096.

The previous prime is 9895465843. The next prime is 9895465873. The reversal of 9895465845 is 5485645989.

9895465845 = 6260² + 6261² + ... + 6502².

9895465845 is a `hidden beast` number, since 9 + 8 + 9 + 5 + 46 + 584 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7916372676 + 1979093169 = 88974^2 + 44487^2 .

It is not a de Polignac number, because 9895465845 - 2¹ = 9895465843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9895465843) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1999444 + ... + 2004386.

Almost surely, 2^9895465845 is an apocalyptic number.

It is an amenable number.

9895465845 is a deficient number, since it is larger than the sum of its proper divisors (7846662273).

9895465845 is an frugal number, since it uses more digits than its factorization.

9895465845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9903 (or 4951 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 63.

The square root of 9895465845 is about 99475.9561150331. The cubic root of 9895465845 is about 2146.9013118951.

The spelling of 9895465845 in words is "nine billion, eight hundred ninety-five million, four hundred sixty-five thousand, eight hundred forty-five".