42939928684 has 24 divisors (see below), whose sum is σ = 77746888800. Its totient is φ = 20726737920.

The previous prime is 42939928667. The next prime is 42939928711. The reversal of 42939928684 is 48682993924.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980937 + ... + 1023775.

It is an arithmetic number, because the mean of its divisors is an integer number (3239453700).

Almost surely, 2^42939928684 is an apocalyptic number.

It is an amenable number.

42939928684 is a deficient number, since it is larger than the sum of its proper divisors (34806960116).

42939928684 is a wasteful number, since it uses less digits than its factorization.

42939928684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51513 (or 51511 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 64.

The spelling of 42939928684 in words is "forty-two billion, nine hundred thirty-nine million, nine hundred twenty-eight thousand, six hundred eighty-four".