29427889234 has 8 divisors (see below), whose sum is σ = 44142577020. Its totient is φ = 14713696896.

The previous prime is 29427889181. The next prime is 29427889237. The reversal of 29427889234 is 43298872492.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24413125009 + 5014764225 = 156247^2 + 70815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (29427889237) 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 3 ways as a sum of consecutive naturals, for example, 123162 + ... + 272074.

Almost surely, 2^29427889234 is an apocalyptic number.

29427889234 is a deficient number, since it is larger than the sum of its proper divisors (14714687786).

29427889234 is a wasteful number, since it uses less digits than its factorization.

29427889234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247724.

The product of its digits is 13934592, while the sum is 58.

The spelling of 29427889234 in words is "twenty-nine billion, four hundred twenty-seven million, eight hundred eighty-nine thousand, two hundred thirty-four".