13841207321 has 2 divisors, whose sum is σ = 13841207322. Its totient is φ = 13841207320.

The previous prime is 13841207311. The next prime is 13841207351. The reversal of 13841207321 is 12370214831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13821529225 + 19678096 = 117565^2 + 4436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13841207321 is a prime.

It is not a weakly prime, because it can be changed into another prime (13841207311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6920603660 + 6920603661.

It is an arithmetic number, because the mean of its divisors is an integer number (6920603661).

Almost surely, 2^13841207321 is an apocalyptic number.

It is an amenable number.

13841207321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13841207321 is an equidigital number, since it uses as much as digits as its factorization.

13841207321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 13841207321 in words is "thirteen billion, eight hundred forty-one million, two hundred seven thousand, three hundred twenty-one".