2104431045 has 16 divisors (see below), whose sum is σ = 3367838400. Its totient is φ = 1122113664.

The previous prime is 2104431041. The next prime is 2104431059. The reversal of 2104431045 is 5401344012.

It is not a de Polignac number, because 2104431045 - 2² = 2104431041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104431041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68862 + ... + 94608.

It is an arithmetic number, because the mean of its divisors is an integer number (210489900).

Almost surely, 2^2104431045 is an apocalyptic number.

It is an amenable number.

2104431045 is a deficient number, since it is larger than the sum of its proper divisors (1263407355).

2104431045 is a wasteful number, since it uses less digits than its factorization.

2104431045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31204.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2104431045 is about 45874.0781378765. The cubic root of 2104431045 is about 1281.4792154018.

Adding to 2104431045 its reverse (5401344012), we get a palindrome (7505775057).

The spelling of 2104431045 in words is "two billion, one hundred four million, four hundred thirty-one thousand, forty-five".