13899450165 has 32 divisors (see below), whose sum is σ = 23283227520. Its totient is φ = 7071165696.

The previous prime is 13899450143. The next prime is 13899450167. The reversal of 13899450165 is 56105499831.

It is not a de Polignac number, because 13899450165 - 2⁶ = 13899450101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13899450167) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 156382 + ... + 228591.

It is an arithmetic number, because the mean of its divisors is an integer number (727600860).

Almost surely, 2^13899450165 is an apocalyptic number.

13899450165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13899450165 is a deficient number, since it is larger than the sum of its proper divisors (9383777355).

13899450165 is a wasteful number, since it uses less digits than its factorization.

13899450165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385093.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 13899450165 in words is "thirteen billion, eight hundred ninety-nine million, four hundred fifty thousand, one hundred sixty-five".