42082358257 has 2 divisors, whose sum is σ = 42082358258. Its totient is φ = 42082358256.

The previous prime is 42082358249. The next prime is 42082358291. The reversal of 42082358257 is 75285328024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41050406881 + 1031951376 = 202609^2 + 32124^2 .

It is a cyclic number.

It is not a de Polignac number, because 42082358257 - 2³ = 42082358249 is a prime.

It is not a weakly prime, because it can be changed into another prime (42082058257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21041179128 + 21041179129.

It is an arithmetic number, because the mean of its divisors is an integer number (21041179129).

Almost surely, 2^42082358257 is an apocalyptic number.

It is an amenable number.

42082358257 is a deficient number, since it is larger than the sum of its proper divisors (1).

42082358257 is an equidigital number, since it uses as much as digits as its factorization.

42082358257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 42082358257 in words is "forty-two billion, eighty-two million, three hundred fifty-eight thousand, two hundred fifty-seven".