29998399928541 has 8 divisors (see below), whose sum is σ = 43634036259744. Its totient is φ = 18180848441520.

The previous prime is 29998399928533. The next prime is 29998399928557. The reversal of 29998399928541 is 14582999389992.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29998399928541 - 2³ = 29998399928533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29998395928541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454521211006 + ... + 454521211071.

It is an arithmetic number, because the mean of its divisors is an integer number (5454254532468).

Almost surely, 2^{29998399928541} is an apocalyptic number.

It is an amenable number.

29998399928541 is a deficient number, since it is larger than the sum of its proper divisors (13635636331203).

29998399928541 is a wasteful number, since it uses less digits than its factorization.

29998399928541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909042422091.

The product of its digits is 8162933760, while the sum is 87.

The spelling of 29998399928541 in words is "twenty-nine trillion, nine hundred ninety-eight billion, three hundred ninety-nine million, nine hundred twenty-eight thousand, five hundred forty-one".