42767726719 has 2 divisors, whose sum is σ = 42767726720. Its totient is φ = 42767726718.

The previous prime is 42767726711. The next prime is 42767726801. The reversal of 42767726719 is 91762776724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42767726719 - 2³ = 42767726711 is a prime.

It is a super-2 number, since 2×42767726719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42767726711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21383863359 + 21383863360.

It is an arithmetic number, because the mean of its divisors is an integer number (21383863360).

Almost surely, 2^42767726719 is an apocalyptic number.

42767726719 is a deficient number, since it is larger than the sum of its proper divisors (1).

42767726719 is an equidigital number, since it uses as much as digits as its factorization.

42767726719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12446784, while the sum is 58.

The spelling of 42767726719 in words is "forty-two billion, seven hundred sixty-seven million, seven hundred twenty-six thousand, seven hundred nineteen".