39948845829 has 8 divisors (see below), whose sum is σ = 53266248960. Its totient is φ = 26632003296.

The previous prime is 39948845801. The next prime is 39948845863. The reversal of 39948845829 is 92854884993.

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

It is not a de Polignac number, because 39948845829 - 2⁷ = 39948845701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39948843829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72012 + ... + 291690.

It is an arithmetic number, because the mean of its divisors is an integer number (6658281120).

Almost surely, 2^39948845829 is an apocalyptic number.

It is an amenable number.

39948845829 is a deficient number, since it is larger than the sum of its proper divisors (13317403131).

39948845829 is a wasteful number, since it uses less digits than its factorization.

39948845829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280299.

The product of its digits is 179159040, while the sum is 69.

The spelling of 39948845829 in words is "thirty-nine billion, nine hundred forty-eight million, eight hundred forty-five thousand, eight hundred twenty-nine".