29954870439938 has 16 divisors (see below), whose sum is σ = 45332264285856. Its totient is φ = 14844129289920.

The previous prime is 29954870439929. The next prime is 29954870439941. The reversal of 29954870439938 is 83993407845992.

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, 1020845 + ... + 7807167.

It is an arithmetic number, because the mean of its divisors is an integer number (2833266517866).

Almost surely, 2^{29954870439938} is an apocalyptic number.

29954870439938 is a deficient number, since it is larger than the sum of its proper divisors (15377393845918).

29954870439938 is a wasteful number, since it uses less digits than its factorization.

29954870439938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805969.

The product of its (nonzero) digits is 4232632320, while the sum is 80.

The spelling of 29954870439938 in words is "twenty-nine trillion, nine hundred fifty-four billion, eight hundred seventy million, four hundred thirty-nine thousand, nine hundred thirty-eight".