64302309241 has 9 divisors (see below), whose sum is σ = 64633399663. Its totient is φ = 63972910120.

The previous prime is 64302309187. The next prime is 64302309251. The reversal of 64302309241 is 14290320346.

It is a happy number.

The square root of 64302309241 is 253579.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42344996841 + 21957312400 = 205779^2 + 148180^2 .

It is not a de Polignac number, because 64302309241 - 2⁹ = 64302308729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64302309197 and 64302309206.

It is not an unprimeable number, because it can be changed into a prime (64302309251) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60604851 + ... + 60605911.

Almost surely, 2^64302309241 is an apocalyptic number.

64302309241 is the 253579-th square number.

64302309241 is the 126790-th centered octagonal number.

It is an amenable number.

64302309241 is a deficient number, since it is larger than the sum of its proper divisors (331090422).

64302309241 is an frugal number, since it uses more digits than its factorization.

64302309241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 64302309241 its reverse (14290320346), we get a palindrome (78592629587).

The spelling of 64302309241 in words is "sixty-four billion, three hundred two million, three hundred nine thousand, two hundred forty-one".