64105598533 has 2 divisors, whose sum is σ = 64105598534. Its totient is φ = 64105598532.

The previous prime is 64105598519. The next prime is 64105598591. The reversal of 64105598533 is 33589550146.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45918918369 + 18186680164 = 214287^2 + 134858^2 .

It is a cyclic number.

It is not a de Polignac number, because 64105598533 - 2³³ = 55515663941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64105538533) 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, 32052799266 + 32052799267.

It is an arithmetic number, because the mean of its divisors is an integer number (32052799267).

Almost surely, 2^64105598533 is an apocalyptic number.

It is an amenable number.

64105598533 is a deficient number, since it is larger than the sum of its proper divisors (1).

64105598533 is an equidigital number, since it uses as much as digits as its factorization.

64105598533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 64105598533 in words is "sixty-four billion, one hundred five million, five hundred ninety-eight thousand, five hundred thirty-three".