13931493241 has 2 divisors, whose sum is σ = 13931493242. Its totient is φ = 13931493240.

The previous prime is 13931493227. The next prime is 13931493283. The reversal of 13931493241 is 14239413931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12773520400 + 1157972841 = 113020^2 + 34029^2 .

It is a cyclic number.

It is not a de Polignac number, because 13931493241 - 2¹³ = 13931485049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13931493194 and 13931493203.

It is not a weakly prime, because it can be changed into another prime (13931493211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6965746620 + 6965746621.

It is an arithmetic number, because the mean of its divisors is an integer number (6965746621).

Almost surely, 2^13931493241 is an apocalyptic number.

It is an amenable number.

13931493241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13931493241 is an equidigital number, since it uses as much as digits as its factorization.

13931493241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The spelling of 13931493241 in words is "thirteen billion, nine hundred thirty-one million, four hundred ninety-three thousand, two hundred forty-one".