69464684298257 has 2 divisors, whose sum is σ = 69464684298258. Its totient is φ = 69464684298256.

The previous prime is 69464684298241. The next prime is 69464684298311. The reversal of 69464684298257 is 75289248646496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67630869992401 + 1833814305856 = 8223799^2 + 1354184^2 .

It is a cyclic number.

It is not a de Polignac number, because 69464684298257 - 2⁴ = 69464684298241 is a prime.

It is not a weakly prime, because it can be changed into another prime (69464684298857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34732342149128 + 34732342149129.

It is an arithmetic number, because the mean of its divisors is an integer number (34732342149129).

Almost surely, 2^{69464684298257} is an apocalyptic number.

It is an amenable number.

69464684298257 is a deficient number, since it is larger than the sum of its proper divisors (1).

69464684298257 is an equidigital number, since it uses as much as digits as its factorization.

69464684298257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10032906240, while the sum is 80.

The spelling of 69464684298257 in words is "sixty-nine trillion, four hundred sixty-four billion, six hundred eighty-four million, two hundred ninety-eight thousand, two hundred fifty-seven".