2509090045 has 16 divisors (see below), whose sum is σ = 3753859968. Its totient is φ = 1564107840.

The previous prime is 2509089983. The next prime is 2509090093. The reversal of 2509090045 is 5400909052.

It is not a de Polignac number, because 2509090045 - 2²⁷ = 2374872317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3258174 + ... + 3258943.

It is an arithmetic number, because the mean of its divisors is an integer number (234616248).

Almost surely, 2^2509090045 is an apocalyptic number.

It is an amenable number.

2509090045 is a deficient number, since it is larger than the sum of its proper divisors (1244769923).

2509090045 is a wasteful number, since it uses less digits than its factorization.

2509090045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517140.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 2509090045 is about 50090.8179709615. The cubic root of 2509090045 is about 1358.8517638504.

Adding to 2509090045 its reverse (5400909052), we get a palindrome (7909999097).

The spelling of 2509090045 in words is "two billion, five hundred nine million, ninety thousand, forty-five".