229442063897 has 4 divisors (see below), whose sum is σ = 229446159540. Its totient is φ = 229437968256.

The previous prime is 229442063839. The next prime is 229442063899. The reversal of 229442063897 is 798360244922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73085878336 + 156356185561 = 270344^2 + 395419^2 .

It is a cyclic number.

It is not a de Polignac number, because 229442063897 - 2³⁴ = 212262194713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229442063899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962608 + ... + 2076225.

It is an arithmetic number, because the mean of its divisors is an integer number (57361539885).

Almost surely, 2^229442063897 is an apocalyptic number.

It is an amenable number.

229442063897 is a deficient number, since it is larger than the sum of its proper divisors (4095643).

229442063897 is an equidigital number, since it uses as much as digits as its factorization.

229442063897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095642.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 229442063897 in words is "two hundred twenty-nine billion, four hundred forty-two million, sixty-three thousand, eight hundred ninety-seven".