64523335067 has 2 divisors, whose sum is σ = 64523335068. Its totient is φ = 64523335066.

The previous prime is 64523335043. The next prime is 64523335073. The reversal of 64523335067 is 76053332546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64523335067 - 2¹⁸ = 64523072923 is a prime.

It is not a weakly prime, because it can be changed into another prime (64523335567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32261667533 + 32261667534.

It is an arithmetic number, because the mean of its divisors is an integer number (32261667534).

Almost surely, 2^64523335067 is an apocalyptic number.

64523335067 is a deficient number, since it is larger than the sum of its proper divisors (1).

64523335067 is an equidigital number, since it uses as much as digits as its factorization.

64523335067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 44.

The spelling of 64523335067 in words is "sixty-four billion, five hundred twenty-three million, three hundred thirty-five thousand, sixty-seven".