29428404271 has 8 divisors (see below), whose sum is σ = 34318839200. Its totient is φ = 25224346224.

The previous prime is 29428404233. The next prime is 29428404287. The reversal of 29428404271 is 17240482492.

It is not a de Polignac number, because 29428404271 - 2⁹ = 29428403759 is a prime.

It is a super-2 number, since 2×29428404271² (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 (29428404871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42898206 + ... + 42898891.

It is an arithmetic number, because the mean of its divisors is an integer number (4289854900).

Almost surely, 2^29428404271 is an apocalyptic number.

29428404271 is a deficient number, since it is larger than the sum of its proper divisors (4890434929).

29428404271 is an frugal number, since it uses more digits than its factorization.

29428404271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85797118 (or 85797104 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 29428404271 in words is "twenty-nine billion, four hundred twenty-eight million, four hundred four thousand, two hundred seventy-one".