42530640019201 has 4 divisors (see below), whose sum is σ = 42531072968452. Its totient is φ = 42530207069952.

The previous prime is 42530640019183. The next prime is 42530640019229. The reversal of 42530640019201 is 10291004603524.

It is a happy number.

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 6341452114176 + 36189187905025 = 2518224^2 + 6015745^2 .

It is a cyclic number.

It is not a de Polignac number, because 42530640019201 - 2¹¹ = 42530640017153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42530640919201) 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, 216327240 + ... + 216523753.

It is an arithmetic number, because the mean of its divisors is an integer number (10632768242113).

Almost surely, 2^{42530640019201} is an apocalyptic number.

It is an amenable number.

42530640019201 is a deficient number, since it is larger than the sum of its proper divisors (432949251).

42530640019201 is an equidigital number, since it uses as much as digits as its factorization.

42530640019201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432949250.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 42530640019201 in words is "forty-two trillion, five hundred thirty billion, six hundred forty million, nineteen thousand, two hundred one".