229242135857919 has 8 divisors (see below), whose sum is σ = 305659333503792. Its totient is φ = 152826514392000.

The previous prime is 229242135857909. The next prime is 229242135857957. The reversal of 229242135857919 is 919758531242922.

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

It is not a de Polignac number, because 229242135857919 - 2²⁷ = 229242001640191 is a prime.

It is a super-2 number, since 2×229242135857919² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229242135857909) 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, 393705582 + ... + 394287419.

It is an arithmetic number, because the mean of its divisors is an integer number (38207416687974).

Almost surely, 2^{229242135857919} is an apocalyptic number.

229242135857919 is a deficient number, since it is larger than the sum of its proper divisors (76417197645873).

229242135857919 is an equidigital number, since it uses as much as digits as its factorization.

229242135857919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788089977.

The product of its digits is 195955200, while the sum is 69.

The spelling of 229242135857919 in words is "two hundred twenty-nine trillion, two hundred forty-two billion, one hundred thirty-five million, eight hundred fifty-seven thousand, nine hundred nineteen".