2109724487 has 8 divisors (see below), whose sum is σ = 2273565840. Its totient is φ = 1946105280.

The previous prime is 2109724483. The next prime is 2109724501. The reversal of 2109724487 is 7844279012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2109724487 - 2² = 2109724483 is a prime.

It is a super-3 number, since 3×2109724487³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109724483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35537 + ... + 74042.

It is an arithmetic number, because the mean of its divisors is an integer number (284195730).

Almost surely, 2^2109724487 is an apocalyptic number.

2109724487 is a deficient number, since it is larger than the sum of its proper divisors (163841353).

2109724487 is a wasteful number, since it uses less digits than its factorization.

2109724487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111073.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 2109724487 is about 45931.7372521441. The cubic root of 2109724487 is about 1282.5527844652.

The spelling of 2109724487 in words is "two billion, one hundred nine million, seven hundred twenty-four thousand, four hundred eighty-seven".