263251442214077 has 2 divisors, whose sum is σ = 263251442214078. Its totient is φ = 263251442214076.

The previous prime is 263251442213939. The next prime is 263251442214121. The reversal of 263251442214077 is 770412244152362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263000527378681 + 250914835396 = 16217291^2 + 500914^2 .

It is a cyclic number.

It is not a de Polignac number, because 263251442214077 - 2¹⁴ = 263251442197693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263251442214377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131625721107038 + 131625721107039.

It is an arithmetic number, because the mean of its divisors is an integer number (131625721107039).

Almost surely, 2^{263251442214077} is an apocalyptic number.

It is an amenable number.

263251442214077 is a deficient number, since it is larger than the sum of its proper divisors (1).

263251442214077 is an equidigital number, since it uses as much as digits as its factorization.

263251442214077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 263251442214077 in words is "two hundred sixty-three trillion, two hundred fifty-one billion, four hundred forty-two million, two hundred fourteen thousand, seventy-seven".