29915974205 has 16 divisors (see below), whose sum is σ = 38672780160. Its totient is φ = 22084861248.

The previous prime is 29915974201. The next prime is 29915974217. The reversal of 29915974205 is 50247951992.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 29915974205 - 2² = 29915974201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29915974201) 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 15 ways as a sum of consecutive naturals, for example, 141224 + ... + 282446.

It is an arithmetic number, because the mean of its divisors is an integer number (2417048760).

Almost surely, 2^29915974205 is an apocalyptic number.

It is an amenable number.

29915974205 is a deficient number, since it is larger than the sum of its proper divisors (8756805955).

29915974205 is a wasteful number, since it uses less digits than its factorization.

29915974205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144500.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 29915974205 in words is "twenty-nine billion, nine hundred fifteen million, nine hundred seventy-four thousand, two hundred five".