2500000109 has 16 divisors (see below), whose sum is σ = 2582496000. Its totient is φ = 2419282944.

The previous prime is 2500000103. The next prime is 2500000117. The reversal of 2500000109 is 9010000052.

2500000109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500000109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500000103) 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, 818417 + ... + 821465.

It is an arithmetic number, because the mean of its divisors is an integer number (161406000).

Almost surely, 2^2500000109 is an apocalyptic number.

It is an amenable number.

2500000109 is a deficient number, since it is larger than the sum of its proper divisors (82495891).

2500000109 is a wasteful number, since it uses less digits than its factorization.

2500000109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 2500000109 is about 50000.0010900000. The cubic root of 2500000109 is about 1357.2088280222.

The spelling of 2500000109 in words is "two billion, five hundred million, one hundred nine", and thus it is an aban number.