13203210978443 has 2 divisors, whose sum is σ = 13203210978444. Its totient is φ = 13203210978442.

The previous prime is 13203210978431. The next prime is 13203210978493. The reversal of 13203210978443 is 34487901230231.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34487901230231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13203210978443 - 2³⁴ = 13186031109259 is a prime.

It is a super-2 number, since 2×13203210978443² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13203210978413) 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 as a sum of consecutive naturals, namely, 6601605489221 + 6601605489222.

It is an arithmetic number, because the mean of its divisors is an integer number (6601605489222).

Almost surely, 2^{13203210978443} is an apocalyptic number.

13203210978443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203210978443 is an equidigital number, since it uses as much as digits as its factorization.

13203210978443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 13203210978443 in words is "thirteen trillion, two hundred three billion, two hundred ten million, nine hundred seventy-eight thousand, four hundred forty-three".