64253043601 has 8 divisors (see below), whose sum is σ = 64328455400. Its totient is φ = 64177678080.

The previous prime is 64253043599. The next prime is 64253043607. The reversal of 64253043601 is 10634035246.

It can be written as a sum of positive squares in 4 ways, for example, as 41990400 + 64211053201 = 6480^2 + 253399^2 .

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 64253043601 - 2¹ = 64253043599 is a prime.

It is a super-2 number, since 2×64253043601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64253043607) 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, 3297355 + ... + 3316783.

It is an arithmetic number, because the mean of its divisors is an integer number (8041056925).

Almost surely, 2^64253043601 is an apocalyptic number.

It is an amenable number.

64253043601 is a deficient number, since it is larger than the sum of its proper divisors (75411799).

64253043601 is a wasteful number, since it uses less digits than its factorization.

64253043601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23139.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 64253043601 its reverse (10634035246), we get a palindrome (74887078847).

The spelling of 64253043601 in words is "sixty-four billion, two hundred fifty-three million, forty-three thousand, six hundred one".