229753703781 has 48 divisors (see below), whose sum is σ = 400444695040. Its totient is φ = 124001966880.

The previous prime is 229753703771. The next prime is 229753703783. The reversal of 229753703781 is 187307357922.

229753703781 is a `hidden beast` number, since 2 + 29 + 7 + 537 + 0 + 3 + 7 + 81 = 666.

It is not a de Polignac number, because 229753703781 - 2⁶ = 229753703717 is a prime.

It is a super-2 number, since 2×229753703781² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229753703783) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106266 + ... + 686148.

Almost surely, 2^229753703781 is an apocalyptic number.

229753703781 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

229753703781 is a deficient number, since it is larger than the sum of its proper divisors (170690991259).

229753703781 is a wasteful number, since it uses less digits than its factorization.

229753703781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580246 (or 580243 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 229753703781 in words is "two hundred twenty-nine billion, seven hundred fifty-three million, seven hundred three thousand, seven hundred eighty-one".