5142643604201 has 4 divisors (see below), whose sum is σ = 5149979758404. Its totient is φ = 5135307450000.

The previous prime is 5142643604179. The next prime is 5142643604237. The reversal of 5142643604201 is 1024063462415.

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 1628237248576 + 3514406355625 = 1276024^2 + 1874675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5142643604201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5142643604261) 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, 3668076050 + ... + 3668077451.

It is an arithmetic number, because the mean of its divisors is an integer number (1287494939601).

Almost surely, 2^{5142643604201} is an apocalyptic number.

It is an amenable number.

5142643604201 is a deficient number, since it is larger than the sum of its proper divisors (7336154203).

5142643604201 is an equidigital number, since it uses as much as digits as its factorization.

5142643604201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7336154202.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 5142643604201 in words is "five trillion, one hundred forty-two billion, six hundred forty-three million, six hundred four thousand, two hundred one".