42570373777 has 2 divisors, whose sum is σ = 42570373778. Its totient is φ = 42570373776.

The previous prime is 42570373679. The next prime is 42570373849. The reversal of 42570373777 is 77737307524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34209831681 + 8360542096 = 184959^2 + 91436^2 .

It is a cyclic number.

It is not a de Polignac number, because 42570373777 - 2¹⁹ = 42569849489 is a prime.

It is not a weakly prime, because it can be changed into another prime (42070373777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21285186888 + 21285186889.

It is an arithmetic number, because the mean of its divisors is an integer number (21285186889).

Almost surely, 2^42570373777 is an apocalyptic number.

It is an amenable number.

42570373777 is a deficient number, since it is larger than the sum of its proper divisors (1).

42570373777 is an equidigital number, since it uses as much as digits as its factorization.

42570373777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6050520, while the sum is 52.

The spelling of 42570373777 in words is "forty-two billion, five hundred seventy million, three hundred seventy-three thousand, seven hundred seventy-seven".