1000018093 has 2 divisors, whose sum is σ = 1000018094. Its totient is φ = 1000018092.

The previous prime is 1000018087. The next prime is 1000018141. The reversal of 1000018093 is 3908100001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 797610564 + 202407529 = 28242^2 + 14227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000018093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000018073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500009046 + 500009047.

It is an arithmetic number, because the mean of its divisors is an integer number (500009047).

Almost surely, 2^1000018093 is an apocalyptic number.

It is an amenable number.

1000018093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000018093 is an equidigital number, since it uses as much as digits as its factorization.

1000018093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1000018093 is about 31623.0626758383. The cubic root of 1000018093 is about 1000.0060309636.

Adding to 1000018093 its reverse (3908100001), we get a palindrome (4908118094).

The spelling of 1000018093 in words is "one billion, eighteen thousand, ninety-three".