42592447593389 has 2 divisors, whose sum is σ = 42592447593390. Its totient is φ = 42592447593388.

The previous prime is 42592447593379. The next prime is 42592447593503. The reversal of 42592447593389 is 98339574429524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42588127817764 + 4319775625 = 6525958^2 + 65725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42592447593389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42592447593329) 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, 21296223796694 + 21296223796695.

It is an arithmetic number, because the mean of its divisors is an integer number (21296223796695).

Almost surely, 2^{42592447593389} is an apocalyptic number.

It is an amenable number.

42592447593389 is a deficient number, since it is larger than the sum of its proper divisors (1).

42592447593389 is an equidigital number, since it uses as much as digits as its factorization.

42592447593389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2351462400, while the sum is 74.

The spelling of 42592447593389 in words is "forty-two trillion, five hundred ninety-two billion, four hundred forty-seven million, five hundred ninety-three thousand, three hundred eighty-nine".