2018797051853 has 2 divisors, whose sum is σ = 2018797051854. Its totient is φ = 2018797051852.

The previous prime is 2018797051837. The next prime is 2018797051949. The reversal of 2018797051853 is 3581507978102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1585942272964 + 432854778889 = 1259342^2 + 657917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018797051853 - 2⁴ = 2018797051837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2018797051823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009398525926 + 1009398525927.

It is an arithmetic number, because the mean of its divisors is an integer number (1009398525927).

Almost surely, 2^{2018797051853} is an apocalyptic number.

It is an amenable number.

2018797051853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018797051853 is an equidigital number, since it uses as much as digits as its factorization.

2018797051853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 56.

The spelling of 2018797051853 in words is "two trillion, eighteen billion, seven hundred ninety-seven million, fifty-one thousand, eight hundred fifty-three".