13978973233267 has 4 divisors (see below), whose sum is σ = 15975969409456. Its totient is φ = 11981977057080.

The previous prime is 13978973233259. The next prime is 13978973233271. The reversal of 13978973233267 is 76233237987931.

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 13978973233267 - 2³ = 13978973233259 is a prime.

It is a super-3 number, since 3×13978973233267³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13978973233196 and 13978973233205.

It is not an unprimeable number, because it can be changed into a prime (13978973233207) 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, 998498088084 + ... + 998498088097.

It is an arithmetic number, because the mean of its divisors is an integer number (3993992352364).

Almost surely, 2^{13978973233267} is an apocalyptic number.

13978973233267 is a deficient number, since it is larger than the sum of its proper divisors (1996996176189).

13978973233267 is an equidigital number, since it uses as much as digits as its factorization.

13978973233267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996996176188.

The product of its digits is 432081216, while the sum is 70.

The spelling of 13978973233267 in words is "thirteen trillion, nine hundred seventy-eight billion, nine hundred seventy-three million, two hundred thirty-three thousand, two hundred sixty-seven".