245646110797 has 2 divisors, whose sum is σ = 245646110798. Its totient is φ = 245646110796.

The previous prime is 245646110783. The next prime is 245646110819. The reversal of 245646110797 is 797011646542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177250262121 + 68395848676 = 421011^2 + 261526^2 .

It is a cyclic number.

It is not a de Polignac number, because 245646110797 - 2⁷ = 245646110669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245646110737) 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, 122823055398 + 122823055399.

It is an arithmetic number, because the mean of its divisors is an integer number (122823055399).

Almost surely, 2^245646110797 is an apocalyptic number.

It is an amenable number.

245646110797 is a deficient number, since it is larger than the sum of its proper divisors (1).

245646110797 is an equidigital number, since it uses as much as digits as its factorization.

245646110797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 245646110797 in words is "two hundred forty-five billion, six hundred forty-six million, one hundred ten thousand, seven hundred ninety-seven".