2045419973 has 2 divisors, whose sum is σ = 2045419974. Its totient is φ = 2045419972.

The previous prime is 2045419951. The next prime is 2045420029. The reversal of 2045419973 is 3799145402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1666027489 + 379392484 = 40817^2 + 19478^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045419973 - 2²⁶ = 1978311109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045419913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022709986 + 1022709987.

It is an arithmetic number, because the mean of its divisors is an integer number (1022709987).

Almost surely, 2^2045419973 is an apocalyptic number.

It is an amenable number.

2045419973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045419973 is an equidigital number, since it uses as much as digits as its factorization.

2045419973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 2045419973 is about 45226.3194721835. The cubic root of 2045419973 is about 1269.3873443607.

The spelling of 2045419973 in words is "two billion, forty-five million, four hundred nineteen thousand, nine hundred seventy-three".