2045421883 has 4 divisors (see below), whose sum is σ = 2045786368. Its totient is φ = 2045057400.

The previous prime is 2045421857. The next prime is 2045421907. The reversal of 2045421883 is 3881245402.

It is a happy number.

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 2045421883 - 2¹⁷ = 2045290811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045421803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173691 + ... + 185092.

It is an arithmetic number, because the mean of its divisors is an integer number (511446592).

Almost surely, 2^2045421883 is an apocalyptic number.

2045421883 is a deficient number, since it is larger than the sum of its proper divisors (364485).

2045421883 is an equidigital number, since it uses as much as digits as its factorization.

2045421883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364484.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 2045421883 is about 45226.3405882015. The cubic root of 2045421883 is about 1269.3877394758.

The spelling of 2045421883 in words is "two billion, forty-five million, four hundred twenty-one thousand, eight hundred eighty-three".