29323940505 has 32 divisors (see below), whose sum is σ = 49463011584. Its totient is φ = 14805221376.

The previous prime is 29323940489. The next prime is 29323940507. The reversal of 29323940505 is 50504932392.

It is not a de Polignac number, because 29323940505 - 2⁴ = 29323940489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29323940507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404664 + ... + 471593.

It is an arithmetic number, because the mean of its divisors is an integer number (1545719112).

Almost surely, 2^29323940505 is an apocalyptic number.

It is an amenable number.

29323940505 is a deficient number, since it is larger than the sum of its proper divisors (20139071079).

29323940505 is a wasteful number, since it uses less digits than its factorization.

29323940505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876385.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 29323940505 in words is "twenty-nine billion, three hundred twenty-three million, nine hundred forty thousand, five hundred five".