245658039013 has 2 divisors, whose sum is σ = 245658039014. Its totient is φ = 245658039012.

The previous prime is 245658038959. The next prime is 245658039019. The reversal of 245658039013 is 310930856542.

245658039013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143987614849 + 101670424164 = 379457^2 + 318858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245658039013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245658039019) 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, 122829019506 + 122829019507.

It is an arithmetic number, because the mean of its divisors is an integer number (122829019507).

Almost surely, 2^245658039013 is an apocalyptic number.

It is an amenable number.

245658039013 is a deficient number, since it is larger than the sum of its proper divisors (1).

245658039013 is an equidigital number, since it uses as much as digits as its factorization.

245658039013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 245658039013 in words is "two hundred forty-five billion, six hundred fifty-eight million, thirty-nine thousand, thirteen".