2018237898577 has 2 divisors, whose sum is σ = 2018237898578. Its totient is φ = 2018237898576.

The previous prime is 2018237898563. The next prime is 2018237898587. The reversal of 2018237898577 is 7758987328102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1699779707536 + 318458191041 = 1303756^2 + 564321^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018237898577 - 2¹⁹ = 2018237374289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2018237898517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009118949288 + 1009118949289.

It is an arithmetic number, because the mean of its divisors is an integer number (1009118949289).

Almost surely, 2^{2018237898577} is an apocalyptic number.

It is an amenable number.

2018237898577 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018237898577 is an equidigital number, since it uses as much as digits as its factorization.

2018237898577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94832640, while the sum is 67.

The spelling of 2018237898577 in words is "two trillion, eighteen billion, two hundred thirty-seven million, eight hundred ninety-eight thousand, five hundred seventy-seven".