29429442943 has 4 divisors (see below), whose sum is σ = 29732839360. Its totient is φ = 29126046528.

The previous prime is 29429442899. The next prime is 29429442949. The reversal of 29429442943 is 34924492492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29429442943 is a prime.

It is a super-2 number, since 2×29429442943² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29429442949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151698063 + ... + 151698256.

It is an arithmetic number, because the mean of its divisors is an integer number (7433209840).

Almost surely, 2^29429442943 is an apocalyptic number.

29429442943 is a deficient number, since it is larger than the sum of its proper divisors (303396417).

29429442943 is an equidigital number, since it uses as much as digits as its factorization.

29429442943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303396416.

The product of its digits is 4478976, while the sum is 52.

The spelling of 29429442943 in words is "twenty-nine billion, four hundred twenty-nine million, four hundred forty-two thousand, nine hundred forty-three".