29886811534 has 4 divisors (see below), whose sum is σ = 44830217304. Its totient is φ = 14943405766.

The previous prime is 29886811517. The next prime is 29886811567. The reversal of 29886811534 is 43511868892.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7471702882 + ... + 7471702885.

It is an arithmetic number, because the mean of its divisors is an integer number (11207554326).

Almost surely, 2^29886811534 is an apocalyptic number.

29886811534 is a deficient number, since it is larger than the sum of its proper divisors (14943405770).

29886811534 is a wasteful number, since it uses less digits than its factorization.

29886811534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14943405769.

The product of its digits is 3317760, while the sum is 55.

The spelling of 29886811534 in words is "twenty-nine billion, eight hundred eighty-six million, eight hundred eleven thousand, five hundred thirty-four".