463426518684257 has 2 divisors, whose sum is σ = 463426518684258. Its totient is φ = 463426518684256.

The previous prime is 463426518684251. The next prime is 463426518684281. The reversal of 463426518684257 is 752486815624364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461173949951521 + 2252568732736 = 21474961^2 + 1500856^2 .

It is a cyclic number.

It is not a de Polignac number, because 463426518684257 - 2⁶ = 463426518684193 is a prime.

It is not a weakly prime, because it can be changed into another prime (463426518684251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231713259342128 + 231713259342129.

It is an arithmetic number, because the mean of its divisors is an integer number (231713259342129).

Almost surely, 2^{463426518684257} is an apocalyptic number.

It is an amenable number.

463426518684257 is a deficient number, since it is larger than the sum of its proper divisors (1).

463426518684257 is an equidigital number, since it uses as much as digits as its factorization.

463426518684257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1857945600, while the sum is 71.

The spelling of 463426518684257 in words is "four hundred sixty-three trillion, four hundred twenty-six billion, five hundred eighteen million, six hundred eighty-four thousand, two hundred fifty-seven".