42377156659 has 2 divisors, whose sum is σ = 42377156660. Its totient is φ = 42377156658.

The previous prime is 42377156639. The next prime is 42377156671. The reversal of 42377156659 is 95665177324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42377156659 - 2¹⁵ = 42377123891 is a prime.

It is not a weakly prime, because it can be changed into another prime (42377156639) 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, 21188578329 + 21188578330.

It is an arithmetic number, because the mean of its divisors is an integer number (21188578330).

Almost surely, 2^42377156659 is an apocalyptic number.

42377156659 is a deficient number, since it is larger than the sum of its proper divisors (1).

42377156659 is an equidigital number, since it uses as much as digits as its factorization.

42377156659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 55.

The spelling of 42377156659 in words is "forty-two billion, three hundred seventy-seven million, one hundred fifty-six thousand, six hundred fifty-nine".