42699873089 has 2 divisors, whose sum is σ = 42699873090. Its totient is φ = 42699873088.

The previous prime is 42699873077. The next prime is 42699873103. The reversal of 42699873089 is 98037899624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37707037489 + 4992835600 = 194183^2 + 70660^2 .

It is a cyclic number.

It is not a de Polignac number, because 42699873089 - 2³² = 38404905793 is a prime.

It is not a weakly prime, because it can be changed into another prime (42699873049) 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, 21349936544 + 21349936545.

It is an arithmetic number, because the mean of its divisors is an integer number (21349936545).

Almost surely, 2^42699873089 is an apocalyptic number.

It is an amenable number.

42699873089 is a deficient number, since it is larger than the sum of its proper divisors (1).

42699873089 is an equidigital number, since it uses as much as digits as its factorization.

42699873089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 42699873089 in words is "forty-two billion, six hundred ninety-nine million, eight hundred seventy-three thousand, eighty-nine".