29999999995 has 16 divisors (see below), whose sum is σ = 41170671360. Its totient is φ = 20557521504.

The previous prime is 29999999993. The next prime is 30000000001. The reversal of 29999999995 is 59999999992.

It is a cyclic number.

It is not a de Polignac number, because 29999999995 - 2¹ = 29999999993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29999999993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237085 + ... + 340894.

It is an arithmetic number, because the mean of its divisors is an integer number (2573166960).

Almost surely, 2^29999999995 is an apocalyptic number.

29999999995 is a deficient number, since it is larger than the sum of its proper divisors (11170671365).

29999999995 is a wasteful number, since it uses less digits than its factorization.

29999999995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579474.

The product of its digits is 3874204890, while the sum is 88.

The spelling of 29999999995 in words is "twenty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-five".