29324872021 has 8 divisors (see below), whose sum is σ = 30042661824. Its totient is φ = 28607203680.

The previous prime is 29324871997. The next prime is 29324872081. The reversal of 29324872021 is 12027842392.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 29324872021 - 2¹⁹ = 29324347733 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 (29324872081) 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, 633946 + ... + 678628.

It is an arithmetic number, because the mean of its divisors is an integer number (3755332728).

Almost surely, 2^29324872021 is an apocalyptic number.

It is an amenable number.

29324872021 is a deficient number, since it is larger than the sum of its proper divisors (717789803).

29324872021 is a wasteful number, since it uses less digits than its factorization.

29324872021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60731.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 29324872021 in words is "twenty-nine billion, three hundred twenty-four million, eight hundred seventy-two thousand, twenty-one".