4064678693 has 2 divisors, whose sum is σ = 4064678694. Its totient is φ = 4064678692.

The previous prime is 4064678659. The next prime is 4064678719. The reversal of 4064678693 is 3968764604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2929190884 + 1135487809 = 54122^2 + 33697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4064678693 is a prime.

It is a super-2 number, since 2×4064678693² = 33043225754656376498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4064678603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032339346 + 2032339347.

It is an arithmetic number, because the mean of its divisors is an integer number (2032339347).

Almost surely, 2^4064678693 is an apocalyptic number.

It is an amenable number.

4064678693 is a deficient number, since it is larger than the sum of its proper divisors (1).

4064678693 is an equidigital number, since it uses as much as digits as its factorization.

4064678693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The square root of 4064678693 is about 63754.8327030979. The cubic root of 4064678693 is about 1595.9112651225.

The spelling of 4064678693 in words is "four billion, sixty-four million, six hundred seventy-eight thousand, six hundred ninety-three".