29018134987 has 4 divisors (see below), whose sum is σ = 29082763800. Its totient is φ = 28953506176.

The previous prime is 29018134913. The next prime is 29018135039. The reversal of 29018134987 is 78943181092.

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

It is a cyclic number.

It is not a de Polignac number, because 29018134987 - 2¹¹ = 29018132939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29018132987) 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 3 ways as a sum of consecutive naturals, for example, 32313733 + ... + 32314630.

It is an arithmetic number, because the mean of its divisors is an integer number (7270690950).

Almost surely, 2^29018134987 is an apocalyptic number.

29018134987 is a deficient number, since it is larger than the sum of its proper divisors (64628813).

29018134987 is an equidigital number, since it uses as much as digits as its factorization.

29018134987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64628812.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 29018134987 in words is "twenty-nine billion, eighteen million, one hundred thirty-four thousand, nine hundred eighty-seven".