29946492138 has 8 divisors (see below), whose sum is σ = 59892984288. Its totient is φ = 9982164044.

The previous prime is 29946492113. The next prime is 29946492143. The reversal of 29946492138 is 83129464992.

It is a sphenic number, since it is the product of 3 distinct primes.

29946492138 is an admirable number.

It is a super-2 number, since 2×29946492138² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2495541006 + ... + 2495541017.

It is an arithmetic number, because the mean of its divisors is an integer number (7486623036).

Almost surely, 2^29946492138 is an apocalyptic number.

29946492138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29946492138 is a wasteful number, since it uses less digits than its factorization.

29946492138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991082028.

The product of its digits is 6718464, while the sum is 57.

The spelling of 29946492138 in words is "twenty-nine billion, nine hundred forty-six million, four hundred ninety-two thousand, one hundred thirty-eight".