2018291373641 has 2 divisors, whose sum is σ = 2018291373642. Its totient is φ = 2018291373640.

The previous prime is 2018291373613. The next prime is 2018291373673. The reversal of 2018291373641 is 1463731928102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1920053635600 + 98237738041 = 1385660^2 + 313429^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018291373641 - 2⁶ = 2018291373577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2018291303641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009145686820 + 1009145686821.

It is an arithmetic number, because the mean of its divisors is an integer number (1009145686821).

Almost surely, 2^{2018291373641} is an apocalyptic number.

It is an amenable number.

2018291373641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018291373641 is an equidigital number, since it uses as much as digits as its factorization.

2018291373641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

It can be divided in two parts, 2018291 and 373641, that added together give a palindrome (2391932).

The spelling of 2018291373641 in words is "two trillion, eighteen billion, two hundred ninety-one million, three hundred seventy-three thousand, six hundred forty-one".