39930511903 has 8 divisors (see below), whose sum is σ = 40548676896. Its totient is φ = 39316716000.

The previous prime is 39930511889. The next prime is 39930511909. The reversal of 39930511903 is 30911503993.

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 39930511903 - 2⁵ = 39930511871 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 39930511903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39930511909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073851 + ... + 1110412.

It is an arithmetic number, because the mean of its divisors is an integer number (5068584612).

Almost surely, 2^39930511903 is an apocalyptic number.

39930511903 is a deficient number, since it is larger than the sum of its proper divisors (618164993).

39930511903 is a wasteful number, since it uses less digits than its factorization.

39930511903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184545.

The product of its (nonzero) digits is 98415, while the sum is 43.

The spelling of 39930511903 in words is "thirty-nine billion, nine hundred thirty million, five hundred eleven thousand, nine hundred three".