29289738946 has 32 divisors (see below), whose sum is σ = 47806210368. Its totient is φ = 13378031040.

The previous prime is 29289738941. The next prime is 29289738967. The reversal of 29289738946 is 64983798292.

It is not an unprimeable number, because it can be changed into a prime (29289738941) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2946741 + ... + 2956663.

It is an arithmetic number, because the mean of its divisors is an integer number (1493944074).

Almost surely, 2^29289738946 is an apocalyptic number.

29289738946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29289738946 is a deficient number, since it is larger than the sum of its proper divisors (18516471422).

29289738946 is a wasteful number, since it uses less digits than its factorization.

29289738946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106.

The product of its digits is 94058496, while the sum is 67.

The spelling of 29289738946 in words is "twenty-nine billion, two hundred eighty-nine million, seven hundred thirty-eight thousand, nine hundred forty-six".