29149909446 has 32 divisors (see below), whose sum is σ = 66921903360. Its totient is φ = 8291853216.

The previous prime is 29149909273. The next prime is 29149909463. The reversal of 29149909446 is 64490994192.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1519201 + ... + 1538268.

It is an arithmetic number, because the mean of its divisors is an integer number (2091309480).

Almost surely, 2^29149909446 is an apocalyptic number.

29149909446 is an abundant number, since it is smaller than the sum of its proper divisors (37771993914).

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

29149909446 is a wasteful number, since it uses less digits than its factorization.

29149909446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057708.

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 29149909446 in words is "twenty-nine billion, one hundred forty-nine million, nine hundred nine thousand, four hundred forty-six".