64110320377 has 2 divisors, whose sum is σ = 64110320378. Its totient is φ = 64110320376.

The previous prime is 64110320317. The next prime is 64110320401. The reversal of 64110320377 is 77302301146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55905765136 + 8204555241 = 236444^2 + 90579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64110320377 is a prime.

It is a super-2 number, since 2×64110320377² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64110320317) 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, 32055160188 + 32055160189.

It is an arithmetic number, because the mean of its divisors is an integer number (32055160189).

Almost surely, 2^64110320377 is an apocalyptic number.

It is an amenable number.

64110320377 is a deficient number, since it is larger than the sum of its proper divisors (1).

64110320377 is an equidigital number, since it uses as much as digits as its factorization.

64110320377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 64110320377 in words is "sixty-four billion, one hundred ten million, three hundred twenty thousand, three hundred seventy-seven".