64512530373029 has 2 divisors, whose sum is σ = 64512530373030. Its totient is φ = 64512530373028.

The previous prime is 64512530373007. The next prime is 64512530373119. The reversal of 64512530373029 is 92037303521546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44678556376804 + 19833973996225 = 6684202^2 + 4453535^2 .

It is a cyclic number.

It is not a de Polignac number, because 64512530373029 - 2³⁶ = 64443810896293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64512530373829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32256265186514 + 32256265186515.

It is an arithmetic number, because the mean of its divisors is an integer number (32256265186515).

Almost surely, 2^{64512530373029} is an apocalyptic number.

It is an amenable number.

64512530373029 is a deficient number, since it is larger than the sum of its proper divisors (1).

64512530373029 is an equidigital number, since it uses as much as digits as its factorization.

64512530373029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 50.

The spelling of 64512530373029 in words is "sixty-four trillion, five hundred twelve billion, five hundred thirty million, three hundred seventy-three thousand, twenty-nine".