229545796505 has 12 divisors (see below), whose sum is σ = 276096662436. Its totient is φ = 183209824800.

The previous prime is 229545796489. The next prime is 229545796507. The reversal of 229545796505 is 505697545922.

It can be written as a sum of positive squares in 2 ways, for example, as 165538314496 + 64007482009 = 406864^2 + 252997^2 .

It is not a de Polignac number, because 229545796505 - 2⁴ = 229545796489 is a prime.

It is a super-2 number, since 2×229545796505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229545796507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 805235 + ... + 1052375.

It is an arithmetic number, because the mean of its divisors is an integer number (23008055203).

Almost surely, 2^229545796505 is an apocalyptic number.

It is an amenable number.

229545796505 is a deficient number, since it is larger than the sum of its proper divisors (46550865931).

229545796505 is an frugal number, since it uses more digits than its factorization.

229545796505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248008 (or 247577 counting only the distinct ones).

The product of its (nonzero) digits is 34020000, while the sum is 59.

The spelling of 229545796505 in words is "two hundred twenty-nine billion, five hundred forty-five million, seven hundred ninety-six thousand, five hundred five".