29871041489 has 4 divisors (see below), whose sum is σ = 29876925540. Its totient is φ = 29865157440.

The previous prime is 29871041429. The next prime is 29871041491. The reversal of 29871041489 is 98414017892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12024219025 + 17846822464 = 109655^2 + 133592^2 .

It is a cyclic number.

It is not a de Polignac number, because 29871041489 - 2²⁰ = 29869992913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29871041489.

It is not an unprimeable number, because it can be changed into a prime (29871041429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934404 + ... + 2944565.

It is an arithmetic number, because the mean of its divisors is an integer number (7469231385).

Almost surely, 2^29871041489 is an apocalyptic number.

It is an amenable number.

29871041489 is a deficient number, since it is larger than the sum of its proper divisors (5884051).

29871041489 is an equidigital number, since it uses as much as digits as its factorization.

29871041489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884050.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 29871041489 in words is "twenty-nine billion, eight hundred seventy-one million, forty-one thousand, four hundred eighty-nine".