13998603469 has 4 divisors (see below), whose sum is σ = 14296446144. Its totient is φ = 13700760796.

The previous prime is 13998603467. The next prime is 13998603481. The reversal of 13998603469 is 96430689931.

13998603469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96430689931 = 37 ⋅2606234863.

It is a cyclic number.

It is not a de Polignac number, because 13998603469 - 2¹ = 13998603467 is a prime.

It is a super-2 number, since 2×13998603469² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13998603467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148921267 + ... + 148921360.

It is an arithmetic number, because the mean of its divisors is an integer number (3574111536).

Almost surely, 2^13998603469 is an apocalyptic number.

It is an amenable number.

13998603469 is a deficient number, since it is larger than the sum of its proper divisors (297842675).

13998603469 is an equidigital number, since it uses as much as digits as its factorization.

13998603469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297842674.

The product of its (nonzero) digits is 7558272, while the sum is 58.

The spelling of 13998603469 in words is "thirteen billion, nine hundred ninety-eight million, six hundred three thousand, four hundred sixty-nine".