242551405433 has 2 divisors, whose sum is σ = 242551405434. Its totient is φ = 242551405432.

The previous prime is 242551405423. The next prime is 242551405451. The reversal of 242551405433 is 334504155242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153062477824 + 89488927609 = 391232^2 + 299147^2 .

It is a cyclic number.

It is not a de Polignac number, because 242551405433 - 2⁸ = 242551405177 is a prime.

It is not a weakly prime, because it can be changed into another prime (242551405423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121275702716 + 121275702717.

It is an arithmetic number, because the mean of its divisors is an integer number (121275702717).

Almost surely, 2^242551405433 is an apocalyptic number.

It is an amenable number.

242551405433 is a deficient number, since it is larger than the sum of its proper divisors (1).

242551405433 is an equidigital number, since it uses as much as digits as its factorization.

242551405433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 242551405433 in words is "two hundred forty-two billion, five hundred fifty-one million, four hundred five thousand, four hundred thirty-three".