29933145018 has 48 divisors (see below), whose sum is σ = 74188323456. Its totient is φ = 8544463200.

The previous prime is 29933145017. The next prime is 29933145037. The reversal of 29933145018 is 81054133992.

It is a happy number.

29933145018 is a `hidden beast` number, since 29 + 93 + 31 + 4 + 501 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (29933145017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29043 + ... + 246393.

It is an arithmetic number, because the mean of its divisors is an integer number (1545590072).

Almost surely, 2^29933145018 is an apocalyptic number.

29933145018 is an abundant number, since it is smaller than the sum of its proper divisors (44255178438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29933145018 is a wasteful number, since it uses less digits than its factorization.

29933145018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218459 (or 218456 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 29933145018 in words is "twenty-nine billion, nine hundred thirty-three million, one hundred forty-five thousand, eighteen".