39503133113 has 4 divisors (see below), whose sum is σ = 39571596660. Its totient is φ = 39434669568.

The previous prime is 39503133107. The next prime is 39503133143. The reversal of 39503133113 is 31133130593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28354518544 + 11148614569 = 168388^2 + 105587^2 .

It is a cyclic number.

It is not a de Polignac number, because 39503133113 - 2⁸ = 39503132857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39503133113.

It is not an unprimeable number, because it can be changed into a prime (39503133143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34230908 + ... + 34232061.

It is an arithmetic number, because the mean of its divisors is an integer number (9892899165).

Almost surely, 2^39503133113 is an apocalyptic number.

It is an amenable number.

39503133113 is a deficient number, since it is larger than the sum of its proper divisors (68463547).

39503133113 is an equidigital number, since it uses as much as digits as its factorization.

39503133113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68463546.

The product of its (nonzero) digits is 10935, while the sum is 32.

The spelling of 39503133113 in words is "thirty-nine billion, five hundred three million, one hundred thirty-three thousand, one hundred thirteen".