242266363645 has 16 divisors (see below), whose sum is σ = 296345779632. Its totient is φ = 190065807360.

The previous prime is 242266363643. The next prime is 242266363663. The reversal of 242266363645 is 546363662242.

It can be written as a sum of positive squares in 8 ways, for example, as 49050732676 + 193215630969 = 221474^2 + 439563^2 .

It is not a de Polignac number, because 242266363645 - 2¹ = 242266363643 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 (242266363643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343615 + ... + 776275.

It is an arithmetic number, because the mean of its divisors is an integer number (18521611227).

Almost surely, 2^242266363645 is an apocalyptic number.

It is an amenable number.

242266363645 is a deficient number, since it is larger than the sum of its proper divisors (54079415987).

242266363645 is a wasteful number, since it uses less digits than its factorization.

242266363645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434832.

The product of its digits is 7464960, while the sum is 49.

The spelling of 242266363645 in words is "two hundred forty-two billion, two hundred sixty-six million, three hundred sixty-three thousand, six hundred forty-five".