242465463521 has 2 divisors, whose sum is σ = 242465463522. Its totient is φ = 242465463520.

The previous prime is 242465463517. The next prime is 242465463533. The reversal of 242465463521 is 125364564242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176164878400 + 66300585121 = 419720^2 + 257489^2 .

It is a cyclic number.

It is not a de Polignac number, because 242465463521 - 2² = 242465463517 is a prime.

It is not a weakly prime, because it can be changed into another prime (242465465521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121232731760 + 121232731761.

It is an arithmetic number, because the mean of its divisors is an integer number (121232731761).

Almost surely, 2^242465463521 is an apocalyptic number.

It is an amenable number.

242465463521 is a deficient number, since it is larger than the sum of its proper divisors (1).

242465463521 is an equidigital number, since it uses as much as digits as its factorization.

242465463521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 44.

The spelling of 242465463521 in words is "two hundred forty-two billion, four hundred sixty-five million, four hundred sixty-three thousand, five hundred twenty-one".