13424433401205 has 12 divisors (see below), whose sum is σ = 23269017895500. Its totient is φ = 7159697813952.

The previous prime is 13424433401179. The next prime is 13424433401231. The reversal of 13424433401205 is 50210433442431.

13424433401205 is a `hidden beast` number, since 1 + 3 + 4 + 2 + 4 + 43 + 3 + 401 + 205 = 666.

It is an interprime number because it is at equal distance from previous prime (13424433401179) and next prime (13424433401231).

It can be written as a sum of positive squares in 2 ways, for example, as 8047757638449 + 5376675762756 = 2836857^2 + 2318766^2 .

It is not a de Polignac number, because 13424433401205 - 2¹⁰ = 13424433400181 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13424433401205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149160371080 + ... + 149160371169.

It is an arithmetic number, because the mean of its divisors is an integer number (1939084824625).

Almost surely, 2^{13424433401205} is an apocalyptic number.

13424433401205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13424433401205 is a deficient number, since it is larger than the sum of its proper divisors (9844584494295).

13424433401205 is a wasteful number, since it uses less digits than its factorization.

13424433401205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298320742260 (or 298320742257 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 13424433401205 its reverse (50210433442431), we get a palindrome (63634866843636).

The spelling of 13424433401205 in words is "thirteen trillion, four hundred twenty-four billion, four hundred thirty-three million, four hundred one thousand, two hundred five".