64704233669 has 2 divisors, whose sum is σ = 64704233670. Its totient is φ = 64704233668.

The previous prime is 64704233663. The next prime is 64704233729. The reversal of 64704233669 is 96633240746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64671033025 + 33200644 = 254305^2 + 5762^2 .

It is a cyclic number.

It is not a de Polignac number, because 64704233669 - 2⁴ = 64704233653 is a prime.

It is a super-2 number, since 2×64704233669² (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 (64704233663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32352116834 + 32352116835.

It is an arithmetic number, because the mean of its divisors is an integer number (32352116835).

Almost surely, 2^64704233669 is an apocalyptic number.

It is an amenable number.

64704233669 is a deficient number, since it is larger than the sum of its proper divisors (1).

64704233669 is an equidigital number, since it uses as much as digits as its factorization.

64704233669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 50.

The spelling of 64704233669 in words is "sixty-four billion, seven hundred four million, two hundred thirty-three thousand, six hundred sixty-nine".