64652260061 has 2 divisors, whose sum is σ = 64652260062. Its totient is φ = 64652260060.

The previous prime is 64652260027. The next prime is 64652260103. The reversal of 64652260061 is 16006225646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58327080100 + 6325179961 = 241510^2 + 79531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64652260061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64652259997 and 64652260024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64652263061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32326130030 + 32326130031.

It is an arithmetic number, because the mean of its divisors is an integer number (32326130031).

Almost surely, 2^64652260061 is an apocalyptic number.

It is an amenable number.

64652260061 is a deficient number, since it is larger than the sum of its proper divisors (1).

64652260061 is an equidigital number, since it uses as much as digits as its factorization.

64652260061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 64652260061 in words is "sixty-four billion, six hundred fifty-two million, two hundred sixty thousand, sixty-one".