642465410201 has 8 divisors (see below), whose sum is σ = 680431497984. Its totient is φ = 604518656320.

The previous prime is 642465410161. The next prime is 642465410203. The reversal of 642465410201 is 102014564246.

642465410201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-642465410201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (642465410203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4765025 + ... + 4897998.

It is an arithmetic number, because the mean of its divisors is an integer number (85053937248).

Almost surely, 2^642465410201 is an apocalyptic number.

It is an amenable number.

642465410201 is a deficient number, since it is larger than the sum of its proper divisors (37966087783).

642465410201 is a wasteful number, since it uses less digits than its factorization.

642465410201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9666951.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 642465410201 its reverse (102014564246), we get a palindrome (744479974447).

The spelling of 642465410201 in words is "six hundred forty-two billion, four hundred sixty-five million, four hundred ten thousand, two hundred one".