42422414077 has 2 divisors, whose sum is σ = 42422414078. Its totient is φ = 42422414076.

The previous prime is 42422414011. The next prime is 42422414081. The reversal of 42422414077 is 77041422424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38345080761 + 4077333316 = 195819^2 + 63854^2 .

It is a cyclic number.

It is not a de Polignac number, because 42422414077 - 2¹¹ = 42422412029 is a prime.

It is a super-2 number, since 2×42422414077² (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 (42422414777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21211207038 + 21211207039.

It is an arithmetic number, because the mean of its divisors is an integer number (21211207039).

Almost surely, 2^42422414077 is an apocalyptic number.

It is an amenable number.

42422414077 is a deficient number, since it is larger than the sum of its proper divisors (1).

42422414077 is an equidigital number, since it uses as much as digits as its factorization.

42422414077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100352, while the sum is 37.

The spelling of 42422414077 in words is "forty-two billion, four hundred twenty-two million, four hundred fourteen thousand, seventy-seven".