29486639203970 has 32 divisors (see below), whose sum is σ = 58127507807040. Its totient is φ = 10702842701760.

The previous prime is 29486639203969. The next prime is 29486639203981. The reversal of 29486639203970 is 7930293668492.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 29486639203970.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922198276 + ... + 1922213615.

It is an arithmetic number, because the mean of its divisors is an integer number (1816484618970).

Almost surely, 2^{29486639203970} is an apocalyptic number.

29486639203970 is a deficient number, since it is larger than the sum of its proper divisors (28640868603070).

29486639203970 is a wasteful number, since it uses less digits than its factorization.

29486639203970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844411970.

The product of its (nonzero) digits is 211631616, while the sum is 68.

The spelling of 29486639203970 in words is "twenty-nine trillion, four hundred eighty-six billion, six hundred thirty-nine million, two hundred three thousand, nine hundred seventy".