939393939393939 has 8 divisors (see below), whose sum is σ = 1252527253754112. Its totient is φ = 626261625648200.

The previous prime is 939393939393901. The next prime is 939393939393947.

939393939393939 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 939393939393939 - 2¹¹ = 939393939391891 is a prime.

939393939393939 is an undulating number in base 10.

It is not an unprimeable number, because it can be changed into a prime (939393939393989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247960287 + ... + 251720264.

It is an arithmetic number, because the mean of its divisors is an integer number (156565906719264).

Almost surely, 2^{939393939393939} is an apocalyptic number.

939393939393939 is a deficient number, since it is larger than the sum of its proper divisors (313133314360173).

939393939393939 is a wasteful number, since it uses less digits than its factorization.

939393939393939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500307217.

The product of its digits is 94143178827, while the sum is 93.

The spelling of 939393939393939 in words is "nine hundred thirty-nine trillion, three hundred ninety-three billion, nine hundred thirty-nine million, three hundred ninety-three thousand, nine hundred thirty-nine".