29641791028 has 12 divisors (see below), whose sum is σ = 52851873060. Its totient is φ = 14541255872.

The previous prime is 29641790989. The next prime is 29641791031. The reversal of 29641791028 is 82019714692.

It can be written as a sum of positive squares in 2 ways, for example, as 18103164304 + 11538626724 = 134548^2 + 107418^2 .

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, 69909673 + ... + 69910096.

It is an arithmetic number, because the mean of its divisors is an integer number (4404322755).

Almost surely, 2^29641791028 is an apocalyptic number.

It is an amenable number.

29641791028 is a deficient number, since it is larger than the sum of its proper divisors (23210082032).

29641791028 is a wasteful number, since it uses less digits than its factorization.

29641791028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139819826 (or 139819824 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 29641791028 in words is "twenty-nine billion, six hundred forty-one million, seven hundred ninety-one thousand, twenty-eight".