9964513365 has 48 divisors (see below), whose sum is σ = 17482790400. Its totient is φ = 4840381440.

The previous prime is 9964513343. The next prime is 9964513373. The reversal of 9964513365 is 5633154699.

It is a happy number.

9964513365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9964513365 - 2⁹ = 9964512853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97311 + ... + 171459.

It is an arithmetic number, because the mean of its divisors is an integer number (364224800).

Almost surely, 2^9964513365 is an apocalyptic number.

It is an amenable number.

9964513365 is a deficient number, since it is larger than the sum of its proper divisors (7518277035).

9964513365 is a wasteful number, since it uses less digits than its factorization.

9964513365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74222 (or 74205 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 51.

The square root of 9964513365 is about 99822.4091324188. The cubic root of 9964513365 is about 2151.8832149562.

The spelling of 9964513365 in words is "nine billion, nine hundred sixty-four million, five hundred thirteen thousand, three hundred sixty-five".