29000252889 has 6 divisors (see below), whose sum is σ = 41889254186. Its totient is φ = 19333501920.

The previous prime is 29000252887. The next prime is 29000252929. The reversal of 29000252889 is 98825200092.

It can be written as a sum of positive squares in only one way, i.e., 27368739225 + 1631513664 = 165435^2 + 40392^2 .

It is not a de Polignac number, because 29000252889 - 2¹ = 29000252887 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29000252887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1611125152 + ... + 1611125169.

Almost surely, 2^29000252889 is an apocalyptic number.

It is an amenable number.

29000252889 is a deficient number, since it is larger than the sum of its proper divisors (12889001297).

29000252889 is a wasteful number, since it uses less digits than its factorization.

29000252889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222250327 (or 3222250324 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 29000252889 in words is "twenty-nine billion, two hundred fifty-two thousand, eight hundred eighty-nine".