29477441918 has 16 divisors (see below), whose sum is σ = 45313929360. Its totient is φ = 14373105600.

The previous prime is 29477441893. The next prime is 29477441921. The reversal of 29477441918 is 81914477492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119753 + ... + 270731.

It is an arithmetic number, because the mean of its divisors is an integer number (2832120585).

Almost surely, 2^29477441918 is an apocalyptic number.

29477441918 is a deficient number, since it is larger than the sum of its proper divisors (15836487442).

29477441918 is a wasteful number, since it uses less digits than its factorization.

29477441918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153403.

The product of its digits is 4064256, while the sum is 56.

The spelling of 29477441918 in words is "twenty-nine billion, four hundred seventy-seven million, four hundred forty-one thousand, nine hundred eighteen".