10243245355477 has 2 divisors, whose sum is σ = 10243245355478. Its totient is φ = 10243245355476.

The previous prime is 10243245355417. The next prime is 10243245355487. The reversal of 10243245355477 is 77455354234201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7116735333841 + 3126510021636 = 2667721^2 + 1768194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10243245355477 is a prime.

It is a super-2 number, since 2×10243245355477² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10243245355417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121622677738 + 5121622677739.

It is an arithmetic number, because the mean of its divisors is an integer number (5121622677739).

Almost surely, 2^{10243245355477} is an apocalyptic number.

It is an amenable number.

10243245355477 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243245355477 is an equidigital number, since it uses as much as digits as its factorization.

10243245355477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112000, while the sum is 52.

Adding to 10243245355477 its reverse (77455354234201), we get a palindrome (87698599589678).

The spelling of 10243245355477 in words is "ten trillion, two hundred forty-three billion, two hundred forty-five million, three hundred fifty-five thousand, four hundred seventy-seven".