13514864865 has 16 divisors (see below), whose sum is σ = 21625833600. Its totient is φ = 7207244672.

The previous prime is 13514864861. The next prime is 13514864921. The reversal of 13514864865 is 56846841531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13514864865 - 2² = 13514864861 is a prime.

It is a super-2 number, since 2×13514864865² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13514864861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148396 + ... + 221474.

It is an arithmetic number, because the mean of its divisors is an integer number (1351614600).

Almost surely, 2^13514864865 is an apocalyptic number.

13514864865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13514864865 is a deficient number, since it is larger than the sum of its proper divisors (8110968735).

13514864865 is a wasteful number, since it uses less digits than its factorization.

13514864865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85416.

The product of its digits is 2764800, while the sum is 51.

The spelling of 13514864865 in words is "thirteen billion, five hundred fourteen million, eight hundred sixty-four thousand, eight hundred sixty-five".