245051124528677 has 2 divisors, whose sum is σ = 245051124528678. Its totient is φ = 245051124528676.

The previous prime is 245051124528653. The next prime is 245051124528713. The reversal of 245051124528677 is 776825421150542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245042894591716 + 8229936961 = 15653846^2 + 90719^2 .

It is a cyclic number.

It is not a de Polignac number, because 245051124528677 - 2¹² = 245051124524581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245051124528647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122525562264338 + 122525562264339.

It is an arithmetic number, because the mean of its divisors is an integer number (122525562264339).

Almost surely, 2^{245051124528677} is an apocalyptic number.

It is an amenable number.

245051124528677 is a deficient number, since it is larger than the sum of its proper divisors (1).

245051124528677 is an equidigital number, since it uses as much as digits as its factorization.

245051124528677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632000, while the sum is 59.

The spelling of 245051124528677 in words is "two hundred forty-five trillion, fifty-one billion, one hundred twenty-four million, five hundred twenty-eight thousand, six hundred seventy-seven".