4665138697 has 2 divisors, whose sum is σ = 4665138698. Its totient is φ = 4665138696.

The previous prime is 4665138683. The next prime is 4665138701. The reversal of 4665138697 is 7968315664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3219314121 + 1445824576 = 56739^2 + 38024^2 .

It is a cyclic number.

It is not a de Polignac number, because 4665138697 - 2²³ = 4656750089 is a prime.

It is not a weakly prime, because it can be changed into another prime (4665138607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2332569348 + 2332569349.

It is an arithmetic number, because the mean of its divisors is an integer number (2332569349).

Almost surely, 2^4665138697 is an apocalyptic number.

It is an amenable number.

4665138697 is a deficient number, since it is larger than the sum of its proper divisors (1).

4665138697 is an equidigital number, since it uses as much as digits as its factorization.

4665138697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 55.

The square root of 4665138697 is about 68301.8205979899. The cubic root of 4665138697 is about 1670.9169068129.

The spelling of 4665138697 in words is "four billion, six hundred sixty-five million, one hundred thirty-eight thousand, six hundred ninety-seven".