2045430473 has 2 divisors, whose sum is σ = 2045430474. Its totient is φ = 2045430472.

The previous prime is 2045430469. The next prime is 2045430481. The reversal of 2045430473 is 3740345402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1169092864 + 876337609 = 34192^2 + 29603^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045430473 - 2² = 2045430469 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045430073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022715236 + 1022715237.

It is an arithmetic number, because the mean of its divisors is an integer number (1022715237).

Almost surely, 2^2045430473 is an apocalyptic number.

It is an amenable number.

2045430473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045430473 is an equidigital number, since it uses as much as digits as its factorization.

2045430473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 2045430473 is about 45226.4355548832. The cubic root of 2045430473 is about 1269.3895164565.

Adding to 2045430473 its reverse (3740345402), we get a palindrome (5785775875).

The spelling of 2045430473 in words is "two billion, forty-five million, four hundred thirty thousand, four hundred seventy-three".