29289771090 has 48 divisors (see below), whose sum is σ = 76167890136. Its totient is φ = 7809120000.

The previous prime is 29289771089. The next prime is 29289771097. The reversal of 29289771090 is 9017798292.

It can be written as a sum of positive squares in 4 ways, for example, as 29178447489 + 111323601 = 170817^2 + 10551^2 .

It is not an unprimeable number, because it can be changed into a prime (29289771097) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 494040 + ... + 550140.

Almost surely, 2^29289771090 is an apocalyptic number.

29289771090 is an abundant number, since it is smaller than the sum of its proper divisors (46878119046).

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

29289771090 is a wasteful number, since it uses less digits than its factorization.

29289771090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61915 (or 61912 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 29289771090 in words is "twenty-nine billion, two hundred eighty-nine million, seven hundred seventy-one thousand, ninety".