29847631142 has 8 divisors (see below), whose sum is σ = 51167367696. Its totient is φ = 12791841912.

The previous prime is 29847631117. The next prime is 29847631159. The reversal of 29847631142 is 24113674892.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 1065986813 + ... + 1065986840.

It is an arithmetic number, because the mean of its divisors is an integer number (6395920962).

Almost surely, 2^29847631142 is an apocalyptic number.

29847631142 is a deficient number, since it is larger than the sum of its proper divisors (21319736554).

29847631142 is a wasteful number, since it uses less digits than its factorization.

29847631142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131973662.

The product of its digits is 580608, while the sum is 47.

The spelling of 29847631142 in words is "twenty-nine billion, eight hundred forty-seven million, six hundred thirty-one thousand, one hundred forty-two".