2018261073 has 16 divisors (see below), whose sum is σ = 2844518400. Its totient is φ = 1269349200.

The previous prime is 2018261051. The next prime is 2018261087. The reversal of 2018261073 is 3701628102.

It is not a de Polignac number, because 2018261073 - 2⁶ = 2018261009 is a prime.

It is a super-2 number, since 2×2018261073² = 8146755517574222658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2018261073.

It is not an unprimeable number, because it can be changed into a prime (2018251073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60453 + ... + 87698.

It is an arithmetic number, because the mean of its divisors is an integer number (177782400).

Almost surely, 2^2018261073 is an apocalyptic number.

It is an amenable number.

2018261073 is a deficient number, since it is larger than the sum of its proper divisors (826257327).

2018261073 is a wasteful number, since it uses less digits than its factorization.

2018261073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148412.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2018261073 is about 44925.0606343497. The cubic root of 2018261073 is about 1263.7440231745.

Adding to 2018261073 its reverse (3701628102), we get a palindrome (5719889175).

The spelling of 2018261073 in words is "two billion, eighteen million, two hundred sixty-one thousand, seventy-three".