245574122115779 has 2 divisors, whose sum is σ = 245574122115780. Its totient is φ = 245574122115778.

The previous prime is 245574122115719. The next prime is 245574122115869. The reversal of 245574122115779 is 977511221475542.

245574122115779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245574122115779 - 2¹² = 245574122111683 is a prime.

It is not a weakly prime, because it can be changed into another prime (245574122115719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122787061057889 + 122787061057890.

It is an arithmetic number, because the mean of its divisors is an integer number (122787061057890).

Almost surely, 2^{245574122115779} is an apocalyptic number.

245574122115779 is a deficient number, since it is larger than the sum of its proper divisors (1).

245574122115779 is an equidigital number, since it uses as much as digits as its factorization.

245574122115779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392000, while the sum is 62.

The spelling of 245574122115779 in words is "two hundred forty-five trillion, five hundred seventy-four billion, one hundred twenty-two million, one hundred fifteen thousand, seven hundred seventy-nine".