29870285920047 has 6 divisors (see below), whose sum is σ = 43145968551192. Its totient is φ = 19913523946692.

The previous prime is 29870285920043. The next prime is 29870285920061. The reversal of 29870285920047 is 74002958207892.

29870285920047 is a `hidden beast` number, since 298 + 7 + 0 + 285 + 9 + 20 + 0 + 47 = 666.

It is not a de Polignac number, because 29870285920047 - 2² = 29870285920043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29870285920043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1659460328883 + ... + 1659460328900.

It is an arithmetic number, because the mean of its divisors is an integer number (7190994758532).

Almost surely, 2^{29870285920047} is an apocalyptic number.

29870285920047 is a deficient number, since it is larger than the sum of its proper divisors (13275682631145).

29870285920047 is a wasteful number, since it uses less digits than its factorization.

29870285920047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318920657789 (or 3318920657786 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 29870285920047 in words is "twenty-nine trillion, eight hundred seventy billion, two hundred eighty-five million, nine hundred twenty thousand, forty-seven".