29994118483921 has 4 divisors (see below), whose sum is σ = 29994147615652. Its totient is φ = 29994089352192.

The previous prime is 29994118483897. The next prime is 29994118484021. The reversal of 29994118483921 is 12938481149992.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7003771703296 + 22990346780625 = 2646464^2 + 4794825^2 .

It is a cyclic number.

It is not a de Polignac number, because 29994118483921 - 2²⁷ = 29993984266193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29994118483621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12962640 + ... + 15100273.

It is an arithmetic number, because the mean of its divisors is an integer number (7498536903913).

Almost surely, 2^{29994118483921} is an apocalyptic number.

It is an amenable number.

29994118483921 is a deficient number, since it is larger than the sum of its proper divisors (29131731).

29994118483921 is a wasteful number, since it uses less digits than its factorization.

29994118483921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29131730.

The product of its digits is 80621568, while the sum is 70.

The spelling of 29994118483921 in words is "twenty-nine trillion, nine hundred ninety-four billion, one hundred eighteen million, four hundred eighty-three thousand, nine hundred twenty-one".