242872318061 has 2 divisors, whose sum is σ = 242872318062. Its totient is φ = 242872318060.

The previous prime is 242872317967. The next prime is 242872318097. The reversal of 242872318061 is 160813278242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172220020036 + 70652298025 = 414994^2 + 265805^2 .

It is a cyclic number.

It is not a de Polignac number, because 242872318061 - 2¹⁸ = 242872055917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242872318561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121436159030 + 121436159031.

It is an arithmetic number, because the mean of its divisors is an integer number (121436159031).

Almost surely, 2^242872318061 is an apocalyptic number.

It is an amenable number.

242872318061 is a deficient number, since it is larger than the sum of its proper divisors (1).

242872318061 is an equidigital number, since it uses as much as digits as its factorization.

242872318061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 242872318061 in words is "two hundred forty-two billion, eight hundred seventy-two million, three hundred eighteen thousand, sixty-one".