229772696429 has 4 divisors (see below), whose sum is σ = 229814319900. Its totient is φ = 229731072960.

The previous prime is 229772696411. The next prime is 229772696521. The reversal of 229772696429 is 924696277922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924696277922 = 2 ⋅462348138961.

It can be written as a sum of positive squares in 2 ways, for example, as 120879296329 + 108893400100 = 347677^2 + 329990^2 .

It is a cyclic number.

It is not a de Polignac number, because 229772696429 - 2⁸ = 229772696173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229772690429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20803454 + ... + 20814495.

It is an arithmetic number, because the mean of its divisors is an integer number (57453579975).

Almost surely, 2^229772696429 is an apocalyptic number.

It is an amenable number.

229772696429 is a deficient number, since it is larger than the sum of its proper divisors (41623471).

229772696429 is an equidigital number, since it uses as much as digits as its factorization.

229772696429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41623470.

The product of its digits is 82301184, while the sum is 65.

The spelling of 229772696429 in words is "two hundred twenty-nine billion, seven hundred seventy-two million, six hundred ninety-six thousand, four hundred twenty-nine".