342445441553 has 4 divisors (see below), whose sum is σ = 343415542308. Its totient is φ = 341475340800.

The previous prime is 342445441549. The next prime is 342445441573. The reversal of 342445441553 is 355144544243.

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 68485319809 + 273960121744 = 261697^2 + 523412^2 .

It is a cyclic number.

It is not a de Polignac number, because 342445441553 - 2² = 342445441549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342445441523) 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, 485049848 + ... + 485050553.

It is an arithmetic number, because the mean of its divisors is an integer number (85853885577).

Almost surely, 2^342445441553 is an apocalyptic number.

It is an amenable number.

342445441553 is a deficient number, since it is larger than the sum of its proper divisors (970100755).

342445441553 is an equidigital number, since it uses as much as digits as its factorization.

342445441553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970100754.

The product of its digits is 2304000, while the sum is 44.

Adding to 342445441553 its reverse (355144544243), we get a palindrome (697589985796).

The spelling of 342445441553 in words is "three hundred forty-two billion, four hundred forty-five million, four hundred forty-one thousand, five hundred fifty-three".