42046701077 has 2 divisors, whose sum is σ = 42046701078. Its totient is φ = 42046701076.

The previous prime is 42046701049. The next prime is 42046701079. The reversal of 42046701077 is 77010764024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29931076036 + 12115625041 = 173006^2 + 110071^2 .

It is a cyclic number.

It is not a de Polignac number, because 42046701077 - 2¹² = 42046696981 is a prime.

Together with 42046701079, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42046701077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42046701079) 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, 21023350538 + 21023350539.

It is an arithmetic number, because the mean of its divisors is an integer number (21023350539).

Almost surely, 2^42046701077 is an apocalyptic number.

It is an amenable number.

42046701077 is a deficient number, since it is larger than the sum of its proper divisors (1).

42046701077 is an equidigital number, since it uses as much as digits as its factorization.

42046701077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 42046701077 in words is "forty-two billion, forty-six million, seven hundred one thousand, seventy-seven".