2238130181653 has 4 divisors (see below), whose sum is σ = 2285749972800. Its totient is φ = 2190510390508.

The previous prime is 2238130181627. The next prime is 2238130181663. The reversal of 2238130181653 is 3561810318322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2238130181653 - 2¹⁷ = 2238130050581 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 (2238130181663) 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, 23809895503 + ... + 23809895596.

It is an arithmetic number, because the mean of its divisors is an integer number (571437493200).

Almost surely, 2^{2238130181653} is an apocalyptic number.

It is an amenable number.

2238130181653 is a deficient number, since it is larger than the sum of its proper divisors (47619791147).

2238130181653 is an equidigital number, since it uses as much as digits as its factorization.

2238130181653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47619791146.

The product of its (nonzero) digits is 207360, while the sum is 43.

Adding to 2238130181653 its reverse (3561810318322), we get a palindrome (5799940499975).

The spelling of 2238130181653 in words is "two trillion, two hundred thirty-eight billion, one hundred thirty million, one hundred eighty-one thousand, six hundred fifty-three".