245465663549 has 2 divisors, whose sum is σ = 245465663550. Its totient is φ = 245465663548.

The previous prime is 245465663537. The next prime is 245465663561. The reversal of 245465663549 is 945366564542.

245465663549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (245465663537) and next prime (245465663561).

It can be written as a sum of positive squares in only one way, i.e., 165429292900 + 80036370649 = 406730^2 + 282907^2 .

It is a cyclic number.

It is not a de Polignac number, because 245465663549 - 2⁴ = 245465663533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245465663579) 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, 122732831774 + 122732831775.

It is an arithmetic number, because the mean of its divisors is an integer number (122732831775).

Almost surely, 2^245465663549 is an apocalyptic number.

It is an amenable number.

245465663549 is a deficient number, since it is larger than the sum of its proper divisors (1).

245465663549 is an equidigital number, since it uses as much as digits as its factorization.

245465663549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312000, while the sum is 59.

The spelling of 245465663549 in words is "two hundred forty-five billion, four hundred sixty-five million, six hundred sixty-three thousand, five hundred forty-nine".