64063610461 has 2 divisors, whose sum is σ = 64063610462. Its totient is φ = 64063610460.

The previous prime is 64063610459. The next prime is 64063610489. The reversal of 64063610461 is 16401636046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57393784900 + 6669825561 = 239570^2 + 81669^2 .

It is a cyclic number.

It is not a de Polignac number, because 64063610461 - 2¹ = 64063610459 is a prime.

Together with 64063610459, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64063610461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64063610431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32031805230 + 32031805231.

It is an arithmetic number, because the mean of its divisors is an integer number (32031805231).

Almost surely, 2^64063610461 is an apocalyptic number.

It is an amenable number.

64063610461 is a deficient number, since it is larger than the sum of its proper divisors (1).

64063610461 is an equidigital number, since it uses as much as digits as its factorization.

64063610461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 64063610461 in words is "sixty-four billion, sixty-three million, six hundred ten thousand, four hundred sixty-one".