2045544419 has 8 divisors (see below), whose sum is σ = 2067061680. Its totient is φ = 2024087296.

The previous prime is 2045544373. The next prime is 2045544437. The reversal of 2045544419 is 9144455402.

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

It is a cyclic number.

It is not a de Polignac number, because 2045544419 - 2²⁴ = 2028767203 is a prime.

It is a super-2 number, since 2×2045544419² = 8368503940204095122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045544019) 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 7 ways as a sum of consecutive naturals, for example, 55052 + ... + 84390.

It is an arithmetic number, because the mean of its divisors is an integer number (258382710).

Almost surely, 2^2045544419 is an apocalyptic number.

2045544419 is a deficient number, since it is larger than the sum of its proper divisors (21517261).

2045544419 is a wasteful number, since it uses less digits than its factorization.

2045544419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30069.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 2045544419 is about 45227.6952651802. The cubic root of 2045544419 is about 1269.4130875619.

The spelling of 2045544419 in words is "two billion, forty-five million, five hundred forty-four thousand, four hundred nineteen".