642262530370141 has 4 divisors (see below), whose sum is σ = 643110961718812. Its totient is φ = 641414099021472.

The previous prime is 642262530370129. The next prime is 642262530370159. The reversal of 642262530370141 is 141073035262246.

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 132470661968100 + 509791868402041 = 11509590^2 + 22578571^2 .

It is a cyclic number.

It is not a de Polignac number, because 642262530370141 - 2²⁹ = 642261993499229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 642262530370091 and 642262530370100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642262530370121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424215673200 + ... + 424215674713.

It is an arithmetic number, because the mean of its divisors is an integer number (160777740429703).

Almost surely, 2^{642262530370141} is an apocalyptic number.

It is an amenable number.

642262530370141 is a deficient number, since it is larger than the sum of its proper divisors (848431348671).

642262530370141 is an equidigital number, since it uses as much as digits as its factorization.

642262530370141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848431348670.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 642262530370141 in words is "six hundred forty-two trillion, two hundred sixty-two billion, five hundred thirty million, three hundred seventy thousand, one hundred forty-one".