245623982113 has 2 divisors, whose sum is σ = 245623982114. Its totient is φ = 245623982112.

The previous prime is 245623982101. The next prime is 245623982189. The reversal of 245623982113 is 311289326542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225541407744 + 20082574369 = 474912^2 + 141713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245623982113 is a prime.

It is a super-2 number, since 2×245623982113² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245623982213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122811991056 + 122811991057.

It is an arithmetic number, because the mean of its divisors is an integer number (122811991057).

Almost surely, 2^245623982113 is an apocalyptic number.

It is an amenable number.

245623982113 is a deficient number, since it is larger than the sum of its proper divisors (1).

245623982113 is an equidigital number, since it uses as much as digits as its factorization.

245623982113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

It can be divided in two parts, 2456239 and 82113, that added together give a palindrome (2538352).

The spelling of 245623982113 in words is "two hundred forty-five billion, six hundred twenty-three million, nine hundred eighty-two thousand, one hundred thirteen".