42560940397273 has 2 divisors, whose sum is σ = 42560940397274. Its totient is φ = 42560940397272.

The previous prime is 42560940397237. The next prime is 42560940397277. The reversal of 42560940397273 is 37279304906524.

It is a happy number.

Together with previous prime (42560940397237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33683955148944 + 8876985248329 = 5803788^2 + 2979427^2 .

It is a cyclic number.

It is not a de Polignac number, because 42560940397273 - 2²⁵ = 42560906842841 is a prime.

It is a super-2 number, since 2×42560940397273² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42560940397277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21280470198636 + 21280470198637.

It is an arithmetic number, because the mean of its divisors is an integer number (21280470198637).

Almost surely, 2^{42560940397273} is an apocalyptic number.

It is an amenable number.

42560940397273 is a deficient number, since it is larger than the sum of its proper divisors (1).

42560940397273 is an equidigital number, since it uses as much as digits as its factorization.

42560940397273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68584320, while the sum is 61.

The spelling of 42560940397273 in words is "forty-two trillion, five hundred sixty billion, nine hundred forty million, three hundred ninety-seven thousand, two hundred seventy-three".