64334062069 has 2 divisors, whose sum is σ = 64334062070. Its totient is φ = 64334062068.

The previous prime is 64334062063. The next prime is 64334062103. The reversal of 64334062069 is 96026043346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53835600625 + 10498461444 = 232025^2 + 102462^2 .

It is a cyclic number.

It is not a de Polignac number, because 64334062069 - 2¹³ = 64334053877 is a prime.

It is a super-2 number, since 2×64334062069² (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 (64334062063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32167031034 + 32167031035.

It is an arithmetic number, because the mean of its divisors is an integer number (32167031035).

Almost surely, 2^64334062069 is an apocalyptic number.

It is an amenable number.

64334062069 is a deficient number, since it is larger than the sum of its proper divisors (1).

64334062069 is an equidigital number, since it uses as much as digits as its factorization.

64334062069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 64334062069 in words is "sixty-four billion, three hundred thirty-four million, sixty-two thousand, sixty-nine".