2045434983 has 4 divisors (see below), whose sum is σ = 2727246648. Its totient is φ = 1363623320.

The previous prime is 2045434939. The next prime is 2045434991. The reversal of 2045434983 is 3894345402.

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

It is a cyclic number.

It is not a de Polignac number, because 2045434983 - 2¹² = 2045430887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045434903) 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, 340905828 + ... + 340905833.

It is an arithmetic number, because the mean of its divisors is an integer number (681811662).

Almost surely, 2^2045434983 is an apocalyptic number.

2045434983 is a deficient number, since it is larger than the sum of its proper divisors (681811665).

2045434983 is an equidigital number, since it uses as much as digits as its factorization.

2045434983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681811664.

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 2045434983 is about 45226.4854150751. The cubic root of 2045434983 is about 1269.3904494211.

The spelling of 2045434983 in words is "two billion, forty-five million, four hundred thirty-four thousand, nine hundred eighty-three".