245209059827 has 2 divisors, whose sum is σ = 245209059828. Its totient is φ = 245209059826.

The previous prime is 245209059811. The next prime is 245209059839. The reversal of 245209059827 is 728950902542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245209059827 - 2⁴ = 245209059811 is a prime.

It is not a weakly prime, because it can be changed into another prime (245208059827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122604529913 + 122604529914.

It is an arithmetic number, because the mean of its divisors is an integer number (122604529914).

Almost surely, 2^245209059827 is an apocalyptic number.

245209059827 is a deficient number, since it is larger than the sum of its proper divisors (1).

245209059827 is an equidigital number, since it uses as much as digits as its factorization.

245209059827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 245209059827 in words is "two hundred forty-five billion, two hundred nine million, fifty-nine thousand, eight hundred twenty-seven".