64295839189 has 2 divisors, whose sum is σ = 64295839190. Its totient is φ = 64295839188.

The previous prime is 64295839169. The next prime is 64295839193. The reversal of 64295839189 is 98193859246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64194836689 + 101002500 = 253367^2 + 10050^2 .

It is a cyclic number.

It is not a de Polignac number, because 64295839189 - 2¹³ = 64295830997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64295839189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64295839169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32147919594 + 32147919595.

It is an arithmetic number, because the mean of its divisors is an integer number (32147919595).

Almost surely, 2^64295839189 is an apocalyptic number.

It is an amenable number.

64295839189 is a deficient number, since it is larger than the sum of its proper divisors (1).

64295839189 is an equidigital number, since it uses as much as digits as its factorization.

64295839189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33592320, while the sum is 64.

The spelling of 64295839189 in words is "sixty-four billion, two hundred ninety-five million, eight hundred thirty-nine thousand, one hundred eighty-nine".