29928720093 has 4 divisors (see below), whose sum is σ = 39904960128. Its totient is φ = 19952480060.

The previous prime is 29928720083. The next prime is 29928720119. The reversal of 29928720093 is 39002782992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29928720093 - 2¹⁴ = 29928703709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29928720023) 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, 4988120013 + ... + 4988120018.

It is an arithmetic number, because the mean of its divisors is an integer number (9976240032).

Almost surely, 2^29928720093 is an apocalyptic number.

It is an amenable number.

29928720093 is a deficient number, since it is larger than the sum of its proper divisors (9976240035).

29928720093 is an equidigital number, since it uses as much as digits as its factorization.

29928720093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9976240034.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 29928720093 in words is "twenty-nine billion, nine hundred twenty-eight million, seven hundred twenty thousand, ninety-three".