42683461687 has 2 divisors, whose sum is σ = 42683461688. Its totient is φ = 42683461686.

The previous prime is 42683461679. The next prime is 42683461693. The reversal of 42683461687 is 78616438624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42683461687 - 2³ = 42683461679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42683461607) 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, 21341730843 + 21341730844.

It is an arithmetic number, because the mean of its divisors is an integer number (21341730844).

Almost surely, 2^42683461687 is an apocalyptic number.

42683461687 is a deficient number, since it is larger than the sum of its proper divisors (1).

42683461687 is an equidigital number, since it uses as much as digits as its factorization.

42683461687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 55.

The spelling of 42683461687 in words is "forty-two billion, six hundred eighty-three million, four hundred sixty-one thousand, six hundred eighty-seven".