1018630235049 has 16 divisors (see below), whose sum is σ = 1574060405760. Its totient is φ = 573876187920.

The previous prime is 1018630235023. The next prime is 1018630235053. The reversal of 1018630235049 is 9405320368101.

It is not a de Polignac number, because 1018630235049 - 2²¹ = 1018628137897 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1018630235049.

It is not an unprimeable number, because it can be changed into a prime (1018630235069) 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 in 15 ways as a sum of consecutive naturals, for example, 341591479 + ... + 341594460.

It is an arithmetic number, because the mean of its divisors is an integer number (98378775360).

Almost surely, 2^{1018630235049} is an apocalyptic number.

It is an amenable number.

1018630235049 is a deficient number, since it is larger than the sum of its proper divisors (555430170711).

1018630235049 is an equidigital number, since it uses as much as digits as its factorization.

1018630235049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683186020.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 1018630235049 in words is "one trillion, eighteen billion, six hundred thirty million, two hundred thirty-five thousand, forty-nine".