13654039965 has 16 divisors (see below), whose sum is σ = 22379305536. Its totient is φ = 7104540800.

The previous prime is 13654039909. The next prime is 13654040011. The reversal of 13654039965 is 56993045631.

It is a happy number.

It is not a de Polignac number, because 13654039965 - 2⁸ = 13654039709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11100231 + ... + 11101460.

It is an arithmetic number, because the mean of its divisors is an integer number (1398706596).

Almost surely, 2^13654039965 is an apocalyptic number.

13654039965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13654039965 is a deficient number, since it is larger than the sum of its proper divisors (8725265571).

13654039965 is a wasteful number, since it uses less digits than its factorization.

13654039965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22201740.

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

The spelling of 13654039965 in words is "thirteen billion, six hundred fifty-four million, thirty-nine thousand, nine hundred sixty-five".