642054422301 has 4 divisors (see below), whose sum is σ = 856072563072. Its totient is φ = 428036281532.

The previous prime is 642054422297. The next prime is 642054422327. The reversal of 642054422301 is 103224450246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 642054422301 - 2² = 642054422297 is a prime.

It is a super-3 number, since 3×642054422301³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642054422381) 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, 107009070381 + ... + 107009070386.

It is an arithmetic number, because the mean of its divisors is an integer number (214018140768).

Almost surely, 2^642054422301 is an apocalyptic number.

It is an amenable number.

642054422301 is a deficient number, since it is larger than the sum of its proper divisors (214018140771).

642054422301 is a wasteful number, since it uses less digits than its factorization.

642054422301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214018140770.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 642054422301 its reverse (103224450246), we get a palindrome (745278872547).

The spelling of 642054422301 in words is "six hundred forty-two billion, fifty-four million, four hundred twenty-two thousand, three hundred one".