29139823203 has 4 divisors (see below), whose sum is σ = 38853097608. Its totient is φ = 19426548800.

The previous prime is 29139823189. The next prime is 29139823211. The reversal of 29139823203 is 30232893192.

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

It is a cyclic number.

It is not a de Polignac number, because 29139823203 - 2⁵ = 29139823171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29139823213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4856637198 + ... + 4856637203.

It is an arithmetic number, because the mean of its divisors is an integer number (9713274402).

Almost surely, 2^29139823203 is an apocalyptic number.

29139823203 is a deficient number, since it is larger than the sum of its proper divisors (9713274405).

29139823203 is an equidigital number, since it uses as much as digits as its factorization.

29139823203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9713274404.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 29139823203 in words is "twenty-nine billion, one hundred thirty-nine million, eight hundred twenty-three thousand, two hundred three".