29408663018 has 16 divisors (see below), whose sum is σ = 53380430784. Its totient is φ = 11862317760.

The previous prime is 29408663017. The next prime is 29408663033. The reversal of 29408663018 is 81036680492.

It is not an unprimeable number, because it can be changed into a prime (29408663017) 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 7 ways as a sum of consecutive naturals, for example, 61782668 + ... + 61783143.

It is an arithmetic number, because the mean of its divisors is an integer number (3336276924).

Almost surely, 2^29408663018 is an apocalyptic number.

29408663018 is a deficient number, since it is larger than the sum of its proper divisors (23971767766).

29408663018 is a wasteful number, since it uses less digits than its factorization.

29408663018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123565837.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 29408663018 in words is "twenty-nine billion, four hundred eight million, six hundred sixty-three thousand, eighteen".