39791503213 has 32 divisors (see below), whose sum is σ = 49883950080. Its totient is φ = 30835728000.

The previous prime is 39791503207. The next prime is 39791503231. The reversal of 39791503213 is 31230519793.

It is a de Polignac number, because none of the positive numbers 2^k-39791503213 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 39791503213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39791503253) 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 in 31 ways as a sum of consecutive naturals, for example, 13391818 + ... + 13394788.

It is an arithmetic number, because the mean of its divisors is an integer number (1558873440).

Almost surely, 2^39791503213 is an apocalyptic number.

It is an amenable number.

39791503213 is a deficient number, since it is larger than the sum of its proper divisors (10092446867).

39791503213 is a wasteful number, since it uses less digits than its factorization.

39791503213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889.

The product of its (nonzero) digits is 153090, while the sum is 43.

The spelling of 39791503213 in words is "thirty-nine billion, seven hundred ninety-one million, five hundred three thousand, two hundred thirteen".