4657643069 has 2 divisors, whose sum is σ = 4657643070. Its totient is φ = 4657643068.

The previous prime is 4657643063. The next prime is 4657643093. The reversal of 4657643069 is 9603467564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2581656100 + 2075986969 = 50810^2 + 45563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4657643069 is a prime.

It is a super-2 number, since 2×4657643069² = 43387277916407477522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4657643063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2328821534 + 2328821535.

It is an arithmetic number, because the mean of its divisors is an integer number (2328821535).

Almost surely, 2^4657643069 is an apocalyptic number.

It is an amenable number.

4657643069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4657643069 is an equidigital number, since it uses as much as digits as its factorization.

4657643069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The square root of 4657643069 is about 68246.9271762473. The cubic root of 4657643069 is about 1670.0215218281.

The spelling of 4657643069 in words is "four billion, six hundred fifty-seven million, six hundred forty-three thousand, sixty-nine".