245114354209 has 2 divisors, whose sum is σ = 245114354210. Its totient is φ = 245114354208.

The previous prime is 245114354189. The next prime is 245114354227. The reversal of 245114354209 is 902453411542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219937550625 + 25176803584 = 468975^2 + 158672^2 .

It is a cyclic number.

It is not a de Polignac number, because 245114354209 - 2¹⁹ = 245113829921 is a prime.

It is not a weakly prime, because it can be changed into another prime (245114354609) 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, 122557177104 + 122557177105.

It is an arithmetic number, because the mean of its divisors is an integer number (122557177105).

Almost surely, 2^245114354209 is an apocalyptic number.

It is an amenable number.

245114354209 is a deficient number, since it is larger than the sum of its proper divisors (1).

245114354209 is an equidigital number, since it uses as much as digits as its factorization.

245114354209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 245114354209 in words is "two hundred forty-five billion, one hundred fourteen million, three hundred fifty-four thousand, two hundred nine".