42797685995089 has 2 divisors, whose sum is σ = 42797685995090. Its totient is φ = 42797685995088.

The previous prime is 42797685995083. The next prime is 42797685995171. The reversal of 42797685995089 is 98059958679724.

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., 27962732480400 + 14834953514689 = 5287980^2 + 3851617^2 .

It is a cyclic number.

It is not a de Polignac number, because 42797685995089 - 2²⁵ = 42797652440657 is a prime.

It is not a weakly prime, because it can be changed into another prime (42797685995083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21398842997544 + 21398842997545.

It is an arithmetic number, because the mean of its divisors is an integer number (21398842997545).

Almost surely, 2^{42797685995089} is an apocalyptic number.

It is an amenable number.

42797685995089 is a deficient number, since it is larger than the sum of its proper divisors (1).

42797685995089 is an equidigital number, since it uses as much as digits as its factorization.

42797685995089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24690355200, while the sum is 88.

The spelling of 42797685995089 in words is "forty-two trillion, seven hundred ninety-seven billion, six hundred eighty-five million, nine hundred ninety-five thousand, eighty-nine".