64206406141 has 4 divisors (see below), whose sum is σ = 64231170172. Its totient is φ = 64181642112.

The previous prime is 64206406097. The next prime is 64206406151. The reversal of 64206406141 is 14160460246.

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 26814062500 + 37392343641 = 163750^2 + 193371^2 .

It is a cyclic number.

It is not a de Polignac number, because 64206406141 - 2⁹ = 64206405629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64206406097 and 64206406106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64206406151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12378126 + ... + 12383311.

It is an arithmetic number, because the mean of its divisors is an integer number (16057792543).

Almost surely, 2^64206406141 is an apocalyptic number.

It is an amenable number.

64206406141 is a deficient number, since it is larger than the sum of its proper divisors (24764031).

64206406141 is a wasteful number, since it uses less digits than its factorization.

64206406141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24764030.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 64206406141 its reverse (14160460246), we get a palindrome (78366866387).

The spelling of 64206406141 in words is "sixty-four billion, two hundred six million, four hundred six thousand, one hundred forty-one".