229293657009 has 80 divisors (see below), whose sum is σ = 389886393600. Its totient is φ = 133397715456.

The previous prime is 229293657001. The next prime is 229293657049. The reversal of 229293657009 is 900756392922.

229293657009 is a `hidden beast` number, since 229 + 293 + 65 + 70 + 0 + 9 = 666.

It is not a de Polignac number, because 229293657009 - 2³ = 229293657001 is a prime.

It is a super-2 number, since 2×229293657009² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229293657001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1136427 + ... + 1322895.

It is an arithmetic number, because the mean of its divisors is an integer number (4873579920).

Almost surely, 2^229293657009 is an apocalyptic number.

It is an amenable number.

229293657009 is a deficient number, since it is larger than the sum of its proper divisors (160592736591).

229293657009 is a wasteful number, since it uses less digits than its factorization.

229293657009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186564 (or 186555 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 229293657009 in words is "two hundred twenty-nine billion, two hundred ninety-three million, six hundred fifty-seven thousand, nine".