64273424269 has 2 divisors, whose sum is σ = 64273424270. Its totient is φ = 64273424268.

The previous prime is 64273424251. The next prime is 64273424389. The reversal of 64273424269 is 96242437246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35058068644 + 29215355625 = 187238^2 + 170925^2 .

It is a cyclic number.

It is not a de Polignac number, because 64273424269 - 2¹¹ = 64273422221 is a prime.

It is a super-2 number, since 2×64273424269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64273424209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32136712134 + 32136712135.

It is an arithmetic number, because the mean of its divisors is an integer number (32136712135).

Almost surely, 2^64273424269 is an apocalyptic number.

It is an amenable number.

64273424269 is a deficient number, since it is larger than the sum of its proper divisors (1).

64273424269 is an equidigital number, since it uses as much as digits as its factorization.

64273424269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 49.

The spelling of 64273424269 in words is "sixty-four billion, two hundred seventy-three million, four hundred twenty-four thousand, two hundred sixty-nine".