2118450845 has 8 divisors (see below), whose sum is σ = 2905304064. Its totient is φ = 1452651984.

The previous prime is 2118450779. The next prime is 2118450877. The reversal of 2118450845 is 5480548112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2118450845 - 2¹⁸ = 2118188701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2118450799 and 2118450808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30263549 + ... + 30263618.

It is an arithmetic number, because the mean of its divisors is an integer number (363163008).

Almost surely, 2^2118450845 is an apocalyptic number.

It is an amenable number.

2118450845 is a deficient number, since it is larger than the sum of its proper divisors (786853219).

2118450845 is an equidigital number, since it uses as much as digits as its factorization.

2118450845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60527179.

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 2118450845 is about 46026.6319102321. The cubic root of 2118450845 is about 1284.3186736723.

Adding to 2118450845 its reverse (5480548112), we get a palindrome (7598998957).

The spelling of 2118450845 in words is "two billion, one hundred eighteen million, four hundred fifty thousand, eight hundred forty-five".