2045479289 has 8 divisors (see below), whose sum is σ = 2337997248. Its totient is φ = 1753038000.

The previous prime is 2045479283. The next prime is 2045479363. The reversal of 2045479289 is 9829745402.

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

It is a de Polignac number, because none of the positive numbers 2^k-2045479289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045479283) 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, 59594 + ... + 87420.

It is an arithmetic number, because the mean of its divisors is an integer number (292249656).

Almost surely, 2^2045479289 is an apocalyptic number.

It is an amenable number.

2045479289 is a deficient number, since it is larger than the sum of its proper divisors (292517959).

2045479289 is a wasteful number, since it uses less digits than its factorization.

2045479289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38335.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 2045479289 is about 45226.9752360248. The cubic root of 2045479289 is about 1269.3996147425.

The spelling of 2045479289 in words is "two billion, forty-five million, four hundred seventy-nine thousand, two hundred eighty-nine".