13841246945 has 8 divisors (see below), whose sum is σ = 16611245160. Its totient is φ = 11071831680.

The previous prime is 13841246929. The next prime is 13841246971. The reversal of 13841246945 is 54964214831.

It can be written as a sum of positive squares in 4 ways, for example, as 1585871329 + 12255375616 = 39823^2 + 110704^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13841246945 - 2⁴ = 13841246929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13841246945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91676 + ... + 189965.

It is an arithmetic number, because the mean of its divisors is an integer number (2076405645).

Almost surely, 2^13841246945 is an apocalyptic number.

It is an amenable number.

13841246945 is a deficient number, since it is larger than the sum of its proper divisors (2769998215).

13841246945 is an equidigital number, since it uses as much as digits as its factorization.

13841246945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291475.

The product of its digits is 829440, while the sum is 47.

The spelling of 13841246945 in words is "thirteen billion, eight hundred forty-one million, two hundred forty-six thousand, nine hundred forty-five".