29200048021 has 4 divisors (see below), whose sum is σ = 29226667212. Its totient is φ = 29173428832.

The previous prime is 29200047859. The next prime is 29200048039. The reversal of 29200048021 is 12084000292.

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 14628902500 + 14571145521 = 120950^2 + 120711^2 .

It is a cyclic number.

It is not a de Polignac number, because 29200048021 - 2¹⁹ = 29199523733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29200048051) 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, 13307950 + ... + 13310143.

It is an arithmetic number, because the mean of its divisors is an integer number (7306666803).

Almost surely, 2^29200048021 is an apocalyptic number.

It is an amenable number.

29200048021 is a deficient number, since it is larger than the sum of its proper divisors (26619191).

29200048021 is a wasteful number, since it uses less digits than its factorization.

29200048021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26619190.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 29200048021 in words is "twenty-nine billion, two hundred million, forty-eight thousand, twenty-one".