64386101789 has 2 divisors, whose sum is σ = 64386101790. Its totient is φ = 64386101788.

The previous prime is 64386101753. The next prime is 64386101831. The reversal of 64386101789 is 98710168346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63627540025 + 758561764 = 252245^2 + 27542^2 .

It is a cyclic number.

It is not a de Polignac number, because 64386101789 - 2¹² = 64386097693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64386101789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64386101389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32193050894 + 32193050895.

It is an arithmetic number, because the mean of its divisors is an integer number (32193050895).

Almost surely, 2^64386101789 is an apocalyptic number.

It is an amenable number.

64386101789 is a deficient number, since it is larger than the sum of its proper divisors (1).

64386101789 is an equidigital number, since it uses as much as digits as its factorization.

64386101789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 64386101789 in words is "sixty-four billion, three hundred eighty-six million, one hundred one thousand, seven hundred eighty-nine".