13839518501 has 2 divisors, whose sum is σ = 13839518502. Its totient is φ = 13839518500.

The previous prime is 13839518489. The next prime is 13839518507. The reversal of 13839518501 is 10581593831.

It is a happy number.

13839518501 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 can be written as a sum of positive squares in only one way, i.e., 9375274276 + 4464244225 = 96826^2 + 66815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13839518501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13839518507) 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, 6919759250 + 6919759251.

It is an arithmetic number, because the mean of its divisors is an integer number (6919759251).

Almost surely, 2^13839518501 is an apocalyptic number.

It is an amenable number.

13839518501 is a deficient number, since it is larger than the sum of its proper divisors (1).

13839518501 is an equidigital number, since it uses as much as digits as its factorization.

13839518501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 13839518501 in words is "thirteen billion, eight hundred thirty-nine million, five hundred eighteen thousand, five hundred one".