245567623247 has 2 divisors, whose sum is σ = 245567623248. Its totient is φ = 245567623246.

The previous prime is 245567623199. The next prime is 245567623261. The reversal of 245567623247 is 742326765542.

245567623247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245567623247 - 2¹² = 245567619151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245567623297) 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, 122783811623 + 122783811624.

It is an arithmetic number, because the mean of its divisors is an integer number (122783811624).

Almost surely, 2^245567623247 is an apocalyptic number.

245567623247 is a deficient number, since it is larger than the sum of its proper divisors (1).

245567623247 is an equidigital number, since it uses as much as digits as its factorization.

245567623247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16934400, while the sum is 53.

The spelling of 245567623247 in words is "two hundred forty-five billion, five hundred sixty-seven million, six hundred twenty-three thousand, two hundred forty-seven".