64132069 has 2 divisors, whose sum is σ = 64132070. Its totient is φ = 64132068.

The previous prime is 64132051. The next prime is 64132093. The reversal of 64132069 is 96023146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 25381444 = 6225^2 + 5038^2 .

It is a cyclic number.

It is not a de Polignac number, because 64132069 - 2¹¹ = 64130021 is a prime.

It is a super-2 number, since 2×64132069² = 8225844548441522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64132069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64132039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32066034 + 32066035.

It is an arithmetic number, because the mean of its divisors is an integer number (32066035).

Almost surely, 2^64132069 is an apocalyptic number.

It is an amenable number.

64132069 is a deficient number, since it is larger than the sum of its proper divisors (1).

64132069 is an equidigital number, since it uses as much as digits as its factorization.

64132069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 64132069 is about 8008.2500585334. The cubic root of 64132069 is about 400.2749547065.

The spelling of 64132069 in words is "sixty-four million, one hundred thirty-two thousand, sixty-nine".