13800234989 has 4 divisors (see below), whose sum is σ = 13801297824. Its totient is φ = 13799172156.

The previous prime is 13800234979. The next prime is 13800235039. The reversal of 13800234989 is 98943200831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13800234989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13800234919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511697 + ... + 537990.

It is an arithmetic number, because the mean of its divisors is an integer number (3450324456).

Almost surely, 2^13800234989 is an apocalyptic number.

It is an amenable number.

13800234989 is a deficient number, since it is larger than the sum of its proper divisors (1062835).

13800234989 is a wasteful number, since it uses less digits than its factorization.

13800234989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062834.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 13800234989 in words is "thirteen billion, eight hundred million, two hundred thirty-four thousand, nine hundred eighty-nine".