42021314077 has 2 divisors, whose sum is σ = 42021314078. Its totient is φ = 42021314076.

The previous prime is 42021314053. The next prime is 42021314113. The reversal of 42021314077 is 77041312024.

42021314077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23648595961 + 18372718116 = 153781^2 + 135546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42021314077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42021314477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21010657038 + 21010657039.

It is an arithmetic number, because the mean of its divisors is an integer number (21010657039).

Almost surely, 2^42021314077 is an apocalyptic number.

It is an amenable number.

42021314077 is a deficient number, since it is larger than the sum of its proper divisors (1).

42021314077 is an equidigital number, since it uses as much as digits as its factorization.

42021314077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The spelling of 42021314077 in words is "forty-two billion, twenty-one million, three hundred fourteen thousand, seventy-seven".