2478124789 has 8 divisors (see below), whose sum is σ = 2860184448. Its totient is φ = 2103075600.

The previous prime is 2478124739. The next prime is 2478124807. The reversal of 2478124789 is 9874218742.

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 2478124789 - 2¹⁹ = 2477600501 is a prime.

It is a super-2 number, since 2×2478124789² = 12282204939712589042, 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 (2478124729) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1751857 + ... + 1753270.

It is an arithmetic number, because the mean of its divisors is an integer number (357523056).

Almost surely, 2^2478124789 is an apocalyptic number.

It is an amenable number.

2478124789 is a deficient number, since it is larger than the sum of its proper divisors (382059659).

2478124789 is a wasteful number, since it uses less digits than its factorization.

2478124789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505235.

The product of its digits is 1806336, while the sum is 52.

The square root of 2478124789 is about 49780.7672600574. The cubic root of 2478124789 is about 1353.2386420450.

The spelling of 2478124789 in words is "two billion, four hundred seventy-eight million, one hundred twenty-four thousand, seven hundred eighty-nine".