13789898731 has 4 divisors (see below), whose sum is σ = 15759884272. Its totient is φ = 11819913192.

The previous prime is 13789898711. The next prime is 13789898737.

13789898731 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13789898731 - 2¹¹ = 13789896683 is a prime.

It is a super-2 number, since 2×13789898731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13789898737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984992760 + ... + 984992773.

It is an arithmetic number, because the mean of its divisors is an integer number (3939971068).

Almost surely, 2^13789898731 is an apocalyptic number.

13789898731 is a deficient number, since it is larger than the sum of its proper divisors (1969985541).

13789898731 is an equidigital number, since it uses as much as digits as its factorization.

13789898731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969985540.

The product of its digits is 18289152, while the sum is 64.

The spelling of 13789898731 in words is "thirteen billion, seven hundred eighty-nine million, eight hundred ninety-eight thousand, seven hundred thirty-one".