42535404293 has 2 divisors, whose sum is σ = 42535404294. Its totient is φ = 42535404292.

The previous prime is 42535404259. The next prime is 42535404311. The reversal of 42535404293 is 39240453524.

42535404293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21275723044 + 21259681249 = 145862^2 + 145807^2 .

It is a cyclic number.

It is not a de Polignac number, because 42535404293 - 2¹⁸ = 42535142149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42535404293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42535404893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21267702146 + 21267702147.

It is an arithmetic number, because the mean of its divisors is an integer number (21267702147).

Almost surely, 2^42535404293 is an apocalyptic number.

It is an amenable number.

42535404293 is a deficient number, since it is larger than the sum of its proper divisors (1).

42535404293 is an equidigital number, since it uses as much as digits as its factorization.

42535404293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 42535404293 in words is "forty-two billion, five hundred thirty-five million, four hundred four thousand, two hundred ninety-three".