1809439229229 has 8 divisors (see below), whose sum is σ = 2413430097600. Its totient is φ = 1205870590176.

The previous prime is 1809439229219. The next prime is 1809439229231. The reversal of 1809439229229 is 9229229349081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1809439229229 - 2⁵ = 1809439229197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1809439229219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105547329 + ... + 105564470.

It is an arithmetic number, because the mean of its divisors is an integer number (301678762200).

Almost surely, 2^{1809439229229} is an apocalyptic number.

It is an amenable number.

1809439229229 is a deficient number, since it is larger than the sum of its proper divisors (603990868371).

1809439229229 is a wasteful number, since it uses less digits than its factorization.

1809439229229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211114659.

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 1809439229229 in words is "one trillion, eight hundred nine billion, four hundred thirty-nine million, two hundred twenty-nine thousand, two hundred twenty-nine".