64442402201 has 8 divisors (see below), whose sum is σ = 68185583520. Its totient is φ = 60734368512.

The previous prime is 64442402173. The next prime is 64442402251. The reversal of 64442402201 is 10220424446.

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

It is a cyclic number.

It is not a de Polignac number, because 64442402201 - 2⁶ = 64442402137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64442402251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8783135 + ... + 8790468.

It is an arithmetic number, because the mean of its divisors is an integer number (8523197940).

Almost surely, 2^64442402201 is an apocalyptic number.

It is an amenable number.

64442402201 is a deficient number, since it is larger than the sum of its proper divisors (3743181319).

64442402201 is a wasteful number, since it uses less digits than its factorization.

64442402201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17573815.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 64442402201 its reverse (10220424446), we get a palindrome (74662826647).

The spelling of 64442402201 in words is "sixty-four billion, four hundred forty-two million, four hundred two thousand, two hundred one".