245310421021339 has 2 divisors, whose sum is σ = 245310421021340. Its totient is φ = 245310421021338.

The previous prime is 245310421021319. The next prime is 245310421021423. The reversal of 245310421021339 is 933120124013542.

245310421021339 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 a de Polignac number, because none of the positive numbers 2^k-245310421021339 is a prime.

It is not a weakly prime, because it can be changed into another prime (245310421021319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122655210510669 + 122655210510670.

It is an arithmetic number, because the mean of its divisors is an integer number (122655210510670).

Almost surely, 2^{245310421021339} is an apocalyptic number.

245310421021339 is a deficient number, since it is larger than the sum of its proper divisors (1).

245310421021339 is an equidigital number, since it uses as much as digits as its factorization.

245310421021339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 245310421021339 in words is "two hundred forty-five trillion, three hundred ten billion, four hundred twenty-one million, twenty-one thousand, three hundred thirty-nine".