2489203109 has 4 divisors (see below), whose sum is σ = 2489352204. Its totient is φ = 2489054016.

The previous prime is 2489203069. The next prime is 2489203127. The reversal of 2489203109 is 9013029842.

2489203109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 377524900 + 2111678209 = 19430^2 + 45953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2489203109 is a prime.

It is a super-2 number, since 2×2489203109² = 12392264235710531762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489203159) 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, 45812 + ... + 84125.

It is an arithmetic number, because the mean of its divisors is an integer number (622338051).

Almost surely, 2^2489203109 is an apocalyptic number.

It is an amenable number.

2489203109 is a deficient number, since it is larger than the sum of its proper divisors (149095).

2489203109 is a wasteful number, since it uses less digits than its factorization.

2489203109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149094.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2489203109 is about 49891.9142647383. The cubic root of 2489203109 is about 1355.2521707657.

The spelling of 2489203109 in words is "two billion, four hundred eighty-nine million, two hundred three thousand, one hundred nine".