29008450869 has 4 divisors (see below), whose sum is σ = 38677934496. Its totient is φ = 19338967244.

The previous prime is 29008450843. The next prime is 29008450907. The reversal of 29008450869 is 96805480092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29008450869 - 2⁸ = 29008450613 is a prime.

It is a super-2 number, since 2×29008450869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29008450069) 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, 4834741809 + ... + 4834741814.

It is an arithmetic number, because the mean of its divisors is an integer number (9669483624).

Almost surely, 2^29008450869 is an apocalyptic number.

It is an amenable number.

29008450869 is a deficient number, since it is larger than the sum of its proper divisors (9669483627).

29008450869 is an equidigital number, since it uses as much as digits as its factorization.

29008450869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9669483626.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 29008450869 in words is "twenty-nine billion, eight million, four hundred fifty thousand, eight hundred sixty-nine".