29319047847 has 16 divisors (see below), whose sum is σ = 44836776960. Its totient is φ = 18915514200.

The previous prime is 29319047837. The next prime is 29319047897. The reversal of 29319047847 is 74874091392.

It is not a de Polignac number, because 29319047847 - 2⁴ = 29319047831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29319047793 and 29319047802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29319047837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17513529 + ... + 17515202.

It is an arithmetic number, because the mean of its divisors is an integer number (2802298560).

Almost surely, 2^29319047847 is an apocalyptic number.

29319047847 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

29319047847 is a deficient number, since it is larger than the sum of its proper divisors (15517729113).

29319047847 is a wasteful number, since it uses less digits than its factorization.

29319047847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35028771 (or 35028765 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 29319047847 in words is "twenty-nine billion, three hundred nineteen million, forty-seven thousand, eight hundred forty-seven".