242928951586577 has 2 divisors, whose sum is σ = 242928951586578. Its totient is φ = 242928951586576.

The previous prime is 242928951586537. The next prime is 242928951586597. The reversal of 242928951586577 is 775685159829242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242524059897856 + 404891688721 = 15573184^2 + 636311^2 .

It is a cyclic number.

It is not a de Polignac number, because 242928951586577 - 2¹⁶ = 242928951521041 is a prime.

It is not a weakly prime, because it can be changed into another prime (242928951586537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121464475793288 + 121464475793289.

It is an arithmetic number, because the mean of its divisors is an integer number (121464475793289).

Almost surely, 2^{242928951586577} is an apocalyptic number.

It is an amenable number.

242928951586577 is a deficient number, since it is larger than the sum of its proper divisors (1).

242928951586577 is an equidigital number, since it uses as much as digits as its factorization.

242928951586577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384000, while the sum is 80.

The spelling of 242928951586577 in words is "two hundred forty-two trillion, nine hundred twenty-eight billion, nine hundred fifty-one million, five hundred eighty-six thousand, five hundred seventy-seven".