2418662945 has 4 divisors (see below), whose sum is σ = 2902395540. Its totient is φ = 1934930352.

The previous prime is 2418662941. The next prime is 2418662951. The reversal of 2418662945 is 5492668142.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1400031889 + 1018631056 = 37417^2 + 31916^2 .

It is a cyclic number.

It is not a de Polignac number, because 2418662945 - 2² = 2418662941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2418662945.

It is not an unprimeable number, because it can be changed into a prime (2418662941) 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 3 ways as a sum of consecutive naturals, for example, 241866290 + ... + 241866299.

It is an arithmetic number, because the mean of its divisors is an integer number (725598885).

Almost surely, 2^2418662945 is an apocalyptic number.

It is an amenable number.

2418662945 is a deficient number, since it is larger than the sum of its proper divisors (483732595).

2418662945 is an equidigital number, since it uses as much as digits as its factorization.

2418662945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483732594.

The product of its digits is 829440, while the sum is 47.

The square root of 2418662945 is about 49179.9038734319. The cubic root of 2418662945 is about 1342.3273849366.

The spelling of 2418662945 in words is "two billion, four hundred eighteen million, six hundred sixty-two thousand, nine hundred forty-five".