64855345703 has 2 divisors, whose sum is σ = 64855345704. Its totient is φ = 64855345702.

The previous prime is 64855345691. The next prime is 64855345721. The reversal of 64855345703 is 30754355846.

64855345703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64855345703 - 2⁸ = 64855345447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64855345733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32427672851 + 32427672852.

It is an arithmetic number, because the mean of its divisors is an integer number (32427672852).

Almost surely, 2^64855345703 is an apocalyptic number.

64855345703 is a deficient number, since it is larger than the sum of its proper divisors (1).

64855345703 is an equidigital number, since it uses as much as digits as its factorization.

64855345703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 64855345703 in words is "sixty-four billion, eight hundred fifty-five million, three hundred forty-five thousand, seven hundred three".