29472147943 has 12 divisors (see below), whose sum is σ = 35210521992. Its totient is φ = 24579087120.

The previous prime is 29472147923. The next prime is 29472147949. The reversal of 29472147943 is 34974127492.

It is a happy number.

It is not a de Polignac number, because 29472147943 - 2⁵ = 29472147911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29472147949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8126193 + ... + 8129818.

It is an arithmetic number, because the mean of its divisors is an integer number (2934210166).

Almost surely, 2^29472147943 is an apocalyptic number.

29472147943 is a deficient number, since it is larger than the sum of its proper divisors (5738374049).

29472147943 is a wasteful number, since it uses less digits than its factorization.

29472147943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16256062 (or 16256055 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 52.

The spelling of 29472147943 in words is "twenty-nine billion, four hundred seventy-two million, one hundred forty-seven thousand, nine hundred forty-three".