39503875969 has 2 divisors, whose sum is σ = 39503875970. Its totient is φ = 39503875968.

The previous prime is 39503875913. The next prime is 39503876053. The reversal of 39503875969 is 96957830593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39080545344 + 423330625 = 197688^2 + 20575^2 .

It is a cyclic number.

It is not a de Polignac number, because 39503875969 - 2¹⁹ = 39503351681 is a prime.

It is a super-2 number, since 2×39503875969² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39503875969.

It is not a weakly prime, because it can be changed into another prime (39503875909) 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, 19751937984 + 19751937985.

It is an arithmetic number, because the mean of its divisors is an integer number (19751937985).

Almost surely, 2^39503875969 is an apocalyptic number.

It is an amenable number.

39503875969 is a deficient number, since it is larger than the sum of its proper divisors (1).

39503875969 is an equidigital number, since it uses as much as digits as its factorization.

39503875969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55112400, while the sum is 64.

The spelling of 39503875969 in words is "thirty-nine billion, five hundred three million, eight hundred seventy-five thousand, nine hundred sixty-nine".