42602420653361 has 4 divisors (see below), whose sum is σ = 42602501430372. Its totient is φ = 42602339876352.

The previous prime is 42602420653271. The next prime is 42602420653367. The reversal of 42602420653361 is 16335602420624.

42602420653361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29197163833600 + 13405256819761 = 5403440^2 + 3661319^2 .

It is a cyclic number.

It is not a de Polignac number, because 42602420653361 - 2¹⁴ = 42602420636977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42602420653367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39592160 + ... + 40653953.

It is an arithmetic number, because the mean of its divisors is an integer number (10650625357593).

Almost surely, 2^{42602420653361} is an apocalyptic number.

It is an amenable number.

42602420653361 is a deficient number, since it is larger than the sum of its proper divisors (80777011).

42602420653361 is an equidigital number, since it uses as much as digits as its factorization.

42602420653361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80777010.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 42602420653361 in words is "forty-two trillion, six hundred two billion, four hundred twenty million, six hundred fifty-three thousand, three hundred sixty-one".