4180618397 has 2 divisors, whose sum is σ = 4180618398. Its totient is φ = 4180618396.

The previous prime is 4180618307. The next prime is 4180618439. The reversal of 4180618397 is 7938160814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3300962116 + 879656281 = 57454^2 + 29659^2 .

It is a cyclic number.

It is not a de Polignac number, because 4180618397 - 2¹⁶ = 4180552861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4180618307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090309198 + 2090309199.

It is an arithmetic number, because the mean of its divisors is an integer number (2090309199).

Almost surely, 2^4180618397 is an apocalyptic number.

It is an amenable number.

4180618397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4180618397 is an equidigital number, since it uses as much as digits as its factorization.

4180618397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 4180618397 is about 64657.7017608885. The cubic root of 4180618397 is about 1610.9430064465.

The spelling of 4180618397 in words is "four billion, one hundred eighty million, six hundred eighteen thousand, three hundred ninety-seven".