13520245379 has 2 divisors, whose sum is σ = 13520245380. Its totient is φ = 13520245378.

The previous prime is 13520245313. The next prime is 13520245391. The reversal of 13520245379 is 97354202531.

13520245379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13520245379 - 2¹² = 13520241283 is a prime.

It is not a weakly prime, because it can be changed into another prime (13520245579) 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, 6760122689 + 6760122690.

It is an arithmetic number, because the mean of its divisors is an integer number (6760122690).

Almost surely, 2^13520245379 is an apocalyptic number.

13520245379 is a deficient number, since it is larger than the sum of its proper divisors (1).

13520245379 is an equidigital number, since it uses as much as digits as its factorization.

13520245379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 13520245379 in words is "thirteen billion, five hundred twenty million, two hundred forty-five thousand, three hundred seventy-nine".