13063966065 has 32 divisors (see below), whose sum is σ = 23233858560. Its totient is φ = 6964739712.

The previous prime is 13063966057. The next prime is 13063966093. The reversal of 13063966065 is 56066936031.

13063966065 is a `hidden beast` number, since 1 + 3 + 0 + 6 + 39 + 6 + 606 + 5 = 666.

It is not a de Polignac number, because 13063966065 - 2³ = 13063966057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13063966065.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357472 + ... + 392318.

It is an arithmetic number, because the mean of its divisors is an integer number (726058080).

Almost surely, 2^13063966065 is an apocalyptic number.

13063966065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13063966065 is a deficient number, since it is larger than the sum of its proper divisors (10169892495).

13063966065 is a wasteful number, since it uses less digits than its factorization.

13063966065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37638 (or 37632 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The spelling of 13063966065 in words is "thirteen billion, sixty-three million, nine hundred sixty-six thousand, sixty-five".