2045066417 has 4 divisors (see below), whose sum is σ = 2050406400. Its totient is φ = 2039726436.

The previous prime is 2045066383. The next prime is 2045066447. The reversal of 2045066417 is 7146605402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045066417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045066447) 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, 2669417 + ... + 2670182.

It is an arithmetic number, because the mean of its divisors is an integer number (512601600).

Almost surely, 2^2045066417 is an apocalyptic number.

It is an amenable number.

2045066417 is a deficient number, since it is larger than the sum of its proper divisors (5339983).

2045066417 is an equidigital number, since it uses as much as digits as its factorization.

2045066417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339982.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2045066417 is about 45222.4105615789. The cubic root of 2045066417 is about 1269.3142012118.

The spelling of 2045066417 in words is "two billion, forty-five million, sixty-six thousand, four hundred seventeen".