42415708771 has 2 divisors, whose sum is σ = 42415708772. Its totient is φ = 42415708770.

The previous prime is 42415708667. The next prime is 42415708817. The reversal of 42415708771 is 17780751424.

It is an a-pointer prime, because the next prime (42415708817) can be obtained adding 42415708771 to its sum of digits (46).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42415708771 - 2³³ = 33825774179 is a prime.

It is not a weakly prime, because it can be changed into another prime (42415706771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21207854385 + 21207854386.

It is an arithmetic number, because the mean of its divisors is an integer number (21207854386).

Almost surely, 2^42415708771 is an apocalyptic number.

42415708771 is a deficient number, since it is larger than the sum of its proper divisors (1).

42415708771 is an equidigital number, since it uses as much as digits as its factorization.

42415708771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 439040, while the sum is 46.

The spelling of 42415708771 in words is "forty-two billion, four hundred fifteen million, seven hundred eight thousand, seven hundred seventy-one".