29298141889 has 3 divisors (see below), whose sum is σ = 29298313057. Its totient is φ = 29297970722.

The previous prime is 29298141871. The next prime is 29298141919. The reversal of 29298141889 is 98814189292.

The square root of 29298141889 is 171167.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 29298141889 - 2²⁷ = 29163924161 is a prime.

It is a super-2 number, since 2×29298141889² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29298142889) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 85584 + ... + 256750.

Almost surely, 2^29298141889 is an apocalyptic number.

29298141889 is the 171167-th square number.

29298141889 is the 85584-th centered octagonal number.

It is an amenable number.

29298141889 is a deficient number, since it is larger than the sum of its proper divisors (171168).

29298141889 is an frugal number, since it uses more digits than its factorization.

29298141889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342334 (or 171167 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 61.

The spelling of 29298141889 in words is "twenty-nine billion, two hundred ninety-eight million, one hundred forty-one thousand, eight hundred eighty-nine".