245342315402633 has 2 divisors, whose sum is σ = 245342315402634. Its totient is φ = 245342315402632.

The previous prime is 245342315402533. The next prime is 245342315402647. The reversal of 245342315402633 is 336204513243542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158691387814729 + 86650927587904 = 12597277^2 + 9308648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245342315402633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (245342315402333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671157701316 + 122671157701317.

It is an arithmetic number, because the mean of its divisors is an integer number (122671157701317).

Almost surely, 2^{245342315402633} is an apocalyptic number.

It is an amenable number.

245342315402633 is a deficient number, since it is larger than the sum of its proper divisors (1).

245342315402633 is an equidigital number, since it uses as much as digits as its factorization.

245342315402633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 47.

The spelling of 245342315402633 in words is "two hundred forty-five trillion, three hundred forty-two billion, three hundred fifteen million, four hundred two thousand, six hundred thirty-three".