29529139290 has 64 divisors (see below), whose sum is σ = 81215115264. Its totient is φ = 6731108928.

The previous prime is 29529139279. The next prime is 29529139291. The reversal of 29529139290 is 9293192592.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29529139291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114504 + ... + 268643.

It is an arithmetic number, because the mean of its divisors is an integer number (1268986176).

Almost surely, 2^29529139290 is an apocalyptic number.

29529139290 is an abundant number, since it is smaller than the sum of its proper divisors (51685975974).

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

29529139290 is a wasteful number, since it uses less digits than its factorization.

29529139290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383531.

The product of its (nonzero) digits is 787320, while the sum is 51.

The spelling of 29529139290 in words is "twenty-nine billion, five hundred twenty-nine million, one hundred thirty-nine thousand, two hundred ninety".