2045790273 has 8 divisors (see below), whose sum is σ = 2801442688. Its totient is φ = 1326999024.

The previous prime is 2045790259. The next prime is 2045790281. The reversal of 2045790273 is 3720975402.

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

It is not a de Polignac number, because 2045790273 - 2⁶ = 2045790209 is a prime.

It is a super-2 number, since 2×2045790273² = 8370515682202829058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045790233) 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 7 ways as a sum of consecutive naturals, for example, 9215161 + ... + 9215382.

It is an arithmetic number, because the mean of its divisors is an integer number (350180336).

Almost surely, 2^2045790273 is an apocalyptic number.

It is an amenable number.

2045790273 is a deficient number, since it is larger than the sum of its proper divisors (755652415).

2045790273 is a wasteful number, since it uses less digits than its factorization.

2045790273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18430583.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 2045790273 is about 45230.4131420441. The cubic root of 2045790273 is about 1269.4639424476.

The spelling of 2045790273 in words is "two billion, forty-five million, seven hundred ninety thousand, two hundred seventy-three".