242777411453953 has 2 divisors, whose sum is σ = 242777411453954. Its totient is φ = 242777411453952.

The previous prime is 242777411453923. The next prime is 242777411454121. The reversal of 242777411453953 is 359354114777242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229668326755344 + 13109084698609 = 15154812^2 + 3620647^2 .

It is a cyclic number.

It is not a de Polignac number, because 242777411453953 - 2⁴⁵ = 207593039365121 is a prime.

It is not a weakly prime, because it can be changed into another prime (242777411453903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121388705726976 + 121388705726977.

It is an arithmetic number, because the mean of its divisors is an integer number (121388705726977).

Almost surely, 2^{242777411453953} is an apocalyptic number.

It is an amenable number.

242777411453953 is a deficient number, since it is larger than the sum of its proper divisors (1).

242777411453953 is an equidigital number, since it uses as much as digits as its factorization.

242777411453953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 177811200, while the sum is 64.

The spelling of 242777411453953 in words is "two hundred forty-two trillion, seven hundred seventy-seven billion, four hundred eleven million, four hundred fifty-three thousand, nine hundred fifty-three".