2104044457 has 4 divisors (see below), whose sum is σ = 2227811796. Its totient is φ = 1980277120.

The previous prime is 2104044451. The next prime is 2104044499. The reversal of 2104044457 is 7544404012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1826622121 + 277422336 = 42739^2 + 16656^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104044457 - 2⁷ = 2104044329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104044451) 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, 61883644 + ... + 61883677.

It is an arithmetic number, because the mean of its divisors is an integer number (556952949).

Almost surely, 2^2104044457 is an apocalyptic number.

It is an amenable number.

2104044457 is a deficient number, since it is larger than the sum of its proper divisors (123767339).

2104044457 is a wasteful number, since it uses less digits than its factorization.

2104044457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123767338.

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 2104044457 is about 45869.8643664879. The cubic root of 2104044457 is about 1281.4007405370.

Adding to 2104044457 its reverse (7544404012), we get a palindrome (9648448469).

The spelling of 2104044457 in words is "two billion, one hundred four million, forty-four thousand, four hundred fifty-seven".