39421355834616 has 64 divisors (see below), whose sum is σ = 112916154362880. Its totient is φ = 11234873612160.

The previous prime is 39421355834587. The next prime is 39421355834633. The reversal of 39421355834616 is 61643855312493.

It is a self number, because there is not a number n which added to its sum of digits gives 39421355834616.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 295463440 + ... + 295596831.

It is an arithmetic number, because the mean of its divisors is an integer number (1764314911920).

Almost surely, 2^{39421355834616} is an apocalyptic number.

It is an amenable number.

39421355834616 is an abundant number, since it is smaller than the sum of its proper divisors (73494798528264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39421355834616 is a wasteful number, since it uses less digits than its factorization.

39421355834616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591060684 (or 591060680 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 60.

The spelling of 39421355834616 in words is "thirty-nine trillion, four hundred twenty-one billion, three hundred fifty-five million, eight hundred thirty-four thousand, six hundred sixteen".