64352057893 has 2 divisors, whose sum is σ = 64352057894. Its totient is φ = 64352057892.

The previous prime is 64352057843. The next prime is 64352057899. The reversal of 64352057893 is 39875025346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63180844164 + 1171213729 = 251358^2 + 34223^2 .

It is a cyclic number.

It is not a de Polignac number, because 64352057893 - 2⁹ = 64352057381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64352057893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64352057899) 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, 32176028946 + 32176028947.

It is an arithmetic number, because the mean of its divisors is an integer number (32176028947).

Almost surely, 2^64352057893 is an apocalyptic number.

It is an amenable number.

64352057893 is a deficient number, since it is larger than the sum of its proper divisors (1).

64352057893 is an equidigital number, since it uses as much as digits as its factorization.

64352057893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 64352057893 in words is "sixty-four billion, three hundred fifty-two million, fifty-seven thousand, eight hundred ninety-three".