29839854855 has 16 divisors (see below), whose sum is σ = 48397793760. Its totient is φ = 15696580608.

The previous prime is 29839854851. The next prime is 29839854857. The reversal of 29839854855 is 55845893892.

It is not a de Polignac number, because 29839854855 - 2² = 29839854851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29839854851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13624410 + ... + 13626599.

It is an arithmetic number, because the mean of its divisors is an integer number (3024862110).

Almost surely, 2^29839854855 is an apocalyptic number.

29839854855 is a deficient number, since it is larger than the sum of its proper divisors (18557938905).

29839854855 is a wasteful number, since it uses less digits than its factorization.

29839854855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27251090.

The product of its digits is 124416000, while the sum is 66.

The spelling of 29839854855 in words is "twenty-nine billion, eight hundred thirty-nine million, eight hundred fifty-four thousand, eight hundred fifty-five".