64262275169 has 2 divisors, whose sum is σ = 64262275170. Its totient is φ = 64262275168.

The previous prime is 64262275117. The next prime is 64262275201. The reversal of 64262275169 is 96157226246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59103444544 + 5158830625 = 243112^2 + 71825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64262275169 is a prime.

It is a super-2 number, since 2×64262275169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64262275069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32131137584 + 32131137585.

It is an arithmetic number, because the mean of its divisors is an integer number (32131137585).

Almost surely, 2^64262275169 is an apocalyptic number.

It is an amenable number.

64262275169 is a deficient number, since it is larger than the sum of its proper divisors (1).

64262275169 is an equidigital number, since it uses as much as digits as its factorization.

64262275169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The spelling of 64262275169 in words is "sixty-four billion, two hundred sixty-two million, two hundred seventy-five thousand, one hundred sixty-nine".