42775113247 has 2 divisors, whose sum is σ = 42775113248. Its totient is φ = 42775113246.

The previous prime is 42775113229. The next prime is 42775113257. The reversal of 42775113247 is 74231157724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42775113247 - 2¹¹ = 42775111199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42775113257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21387556623 + 21387556624.

It is an arithmetic number, because the mean of its divisors is an integer number (21387556624).

Almost surely, 2^42775113247 is an apocalyptic number.

42775113247 is a deficient number, since it is larger than the sum of its proper divisors (1).

42775113247 is an equidigital number, since it uses as much as digits as its factorization.

42775113247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 43.

The spelling of 42775113247 in words is "forty-two billion, seven hundred seventy-five million, one hundred thirteen thousand, two hundred forty-seven".