64651210433 has 2 divisors, whose sum is σ = 64651210434. Its totient is φ = 64651210432.

The previous prime is 64651210417. The next prime is 64651210549. The reversal of 64651210433 is 33401215646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63750190144 + 901020289 = 252488^2 + 30017^2 .

It is a cyclic number.

It is not a de Polignac number, because 64651210433 - 2⁴ = 64651210417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64651210393 and 64651210402.

It is not a weakly prime, because it can be changed into another prime (64651210733) 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 as a sum of consecutive naturals, namely, 32325605216 + 32325605217.

It is an arithmetic number, because the mean of its divisors is an integer number (32325605217).

Almost surely, 2^64651210433 is an apocalyptic number.

It is an amenable number.

64651210433 is a deficient number, since it is larger than the sum of its proper divisors (1).

64651210433 is an equidigital number, since it uses as much as digits as its factorization.

64651210433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 64651210433 in words is "sixty-four billion, six hundred fifty-one million, two hundred ten thousand, four hundred thirty-three".