42330165623659 has 2 divisors, whose sum is σ = 42330165623660. Its totient is φ = 42330165623658.

The previous prime is 42330165623597. The next prime is 42330165623689. The reversal of 42330165623659 is 95632656103324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42330165623659 - 2⁷ = 42330165623531 is a prime.

It is not a weakly prime, because it can be changed into another prime (42330165623689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165082811829 + 21165082811830.

It is an arithmetic number, because the mean of its divisors is an integer number (21165082811830).

Almost surely, 2^{42330165623659} is an apocalyptic number.

42330165623659 is a deficient number, since it is larger than the sum of its proper divisors (1).

42330165623659 is an equidigital number, since it uses as much as digits as its factorization.

42330165623659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20995200, while the sum is 55.

The spelling of 42330165623659 in words is "forty-two trillion, three hundred thirty billion, one hundred sixty-five million, six hundred twenty-three thousand, six hundred fifty-nine".