2153334344442 has 16 divisors (see below), whose sum is σ = 4406823775200. Its totient is φ = 701085600432.

The previous prime is 2153334344419. The next prime is 2153334344449. The reversal of 2153334344442 is 2444434333512.

It is a junction number, because it is equal to n+sod(n) for n = 2153334344394 and 2153334344403.

It is not an unprimeable number, because it can be changed into a prime (2153334344449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4173128317 + ... + 4173128832.

It is an arithmetic number, because the mean of its divisors is an integer number (275426485950).

Almost surely, 2^{2153334344442} is an apocalyptic number.

2153334344442 is an abundant number, since it is smaller than the sum of its proper divisors (2253489430758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153334344442 is a wasteful number, since it uses less digits than its factorization.

2153334344442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8346257197.

The product of its digits is 1658880, while the sum is 42.

Adding to 2153334344442 its reverse (2444434333512), we get a palindrome (4597768677954).

The spelling of 2153334344442 in words is "two trillion, one hundred fifty-three billion, three hundred thirty-four million, three hundred forty-four thousand, four hundred forty-two".