4666664393 has 2 divisors, whose sum is σ = 4666664394. Its totient is φ = 4666664392.

The previous prime is 4666664383. The next prime is 4666664417. The reversal of 4666664393 is 3934666664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3135664009 + 1531000384 = 55997^2 + 39128^2 .

It is a cyclic number.

It is not a de Polignac number, because 4666664393 - 2²⁰ = 4665615817 is a prime.

It is not a weakly prime, because it can be changed into another prime (4666664323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2333332196 + 2333332197.

It is an arithmetic number, because the mean of its divisors is an integer number (2333332197).

Almost surely, 2^4666664393 is an apocalyptic number.

It is an amenable number.

4666664393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4666664393 is an equidigital number, since it uses as much as digits as its factorization.

4666664393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10077696, while the sum is 53.

The square root of 4666664393 is about 68312.9884648593. The cubic root of 4666664393 is about 1671.0990402603.

The spelling of 4666664393 in words is "four billion, six hundred sixty-six million, six hundred sixty-four thousand, three hundred ninety-three".