1018950113 has 2 divisors, whose sum is σ = 1018950114. Its totient is φ = 1018950112.

The previous prime is 1018950073. The next prime is 1018950143. The reversal of 1018950113 is 3110598101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 916393984 + 102556129 = 30272^2 + 10127^2 .

It is a cyclic number.

It is not a de Polignac number, because 1018950113 - 2¹⁰ = 1018949089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1018950143) 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, 509475056 + 509475057.

It is an arithmetic number, because the mean of its divisors is an integer number (509475057).

Almost surely, 2^1018950113 is an apocalyptic number.

It is an amenable number.

1018950113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018950113 is an equidigital number, since it uses as much as digits as its factorization.

1018950113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 1018950113 is about 31920.9979950502. The cubic root of 1018950113 is about 1006.2772184142.

The spelling of 1018950113 in words is "one billion, eighteen million, nine hundred fifty thousand, one hundred thirteen".