39823217913 has 8 divisors (see below), whose sum is σ = 53098884928. Its totient is φ = 26548181424.

The previous prime is 39823217899. The next prime is 39823217933. The reversal of 39823217913 is 31971232893.

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

It is not a de Polignac number, because 39823217913 - 2⁸ = 39823217657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39823217933) 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 7 ways as a sum of consecutive naturals, for example, 17556 + ... + 282762.

It is an arithmetic number, because the mean of its divisors is an integer number (6637360616).

Almost surely, 2^39823217913 is an apocalyptic number.

It is an amenable number.

39823217913 is a deficient number, since it is larger than the sum of its proper divisors (13275667015).

39823217913 is a wasteful number, since it uses less digits than its factorization.

39823217913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315263.

The product of its digits is 489888, while the sum is 48.

The spelling of 39823217913 in words is "thirty-nine billion, eight hundred twenty-three million, two hundred seventeen thousand, nine hundred thirteen".