242354450413 has 4 divisors (see below), whose sum is σ = 243610173148. Its totient is φ = 241098727680.

The previous prime is 242354450357. The next prime is 242354450453. The reversal of 242354450413 is 314054453242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314054453242 = 2 ⋅157027226621.

It can be written as a sum of positive squares in 2 ways, for example, as 105441130089 + 136913320324 = 324717^2 + 370018^2 .

It is a cyclic number.

It is not a de Polignac number, because 242354450413 - 2³³ = 233764515821 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 (242354450453) 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, 627861078 + ... + 627861463.

It is an arithmetic number, because the mean of its divisors is an integer number (60902543287).

Almost surely, 2^242354450413 is an apocalyptic number.

It is an amenable number.

242354450413 is a deficient number, since it is larger than the sum of its proper divisors (1255722735).

242354450413 is a wasteful number, since it uses less digits than its factorization.

242354450413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255722734.

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 242354450413 in words is "two hundred forty-two billion, three hundred fifty-four million, four hundred fifty thousand, four hundred thirteen".