39503875913 has 2 divisors, whose sum is σ = 39503875914. Its totient is φ = 39503875912.

The previous prime is 39503875909. The next prime is 39503875969. The reversal of 39503875913 is 31957830593.

39503875913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34344614329 + 5159261584 = 185323^2 + 71828^2 .

It is a cyclic number.

It is not a de Polignac number, because 39503875913 - 2² = 39503875909 is a prime.

It is not a weakly prime, because it can be changed into another prime (39503874913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19751937956 + 19751937957.

It is an arithmetic number, because the mean of its divisors is an integer number (19751937957).

Almost surely, 2^39503875913 is an apocalyptic number.

It is an amenable number.

39503875913 is a deficient number, since it is larger than the sum of its proper divisors (1).

39503875913 is an equidigital number, since it uses as much as digits as its factorization.

39503875913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 39503875913 in words is "thirty-nine billion, five hundred three million, eight hundred seventy-five thousand, nine hundred thirteen".