2018625043 has 4 divisors (see below), whose sum is σ = 2061574560. Its totient is φ = 1975675528.

The previous prime is 2018625041. The next prime is 2018625073. The reversal of 2018625043 is 3405268102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2018625043 - 2¹ = 2018625041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2018624996 and 2018625014.

It is not an unprimeable number, because it can be changed into a prime (2018625041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21474688 + ... + 21474781.

It is an arithmetic number, because the mean of its divisors is an integer number (515393640).

Almost surely, 2^2018625043 is an apocalyptic number.

2018625043 is a deficient number, since it is larger than the sum of its proper divisors (42949517).

2018625043 is an equidigital number, since it uses as much as digits as its factorization.

2018625043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42949516.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2018625043 is about 44929.1113088162. Note that the first 3 decimals coincide. The cubic root of 2018625043 is about 1263.8199858057.

The spelling of 2018625043 in words is "two billion, eighteen million, six hundred twenty-five thousand, forty-three".