2478124739 has 2 divisors, whose sum is σ = 2478124740. Its totient is φ = 2478124738.

The previous prime is 2478124729. The next prime is 2478124807. The reversal of 2478124739 is 9374218742.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2478124739 - 2²⁸ = 2209689283 is a prime.

It is a super-2 number, since 2×2478124739² = 12282204444087636242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2478124693 and 2478124702.

It is not a weakly prime, because it can be changed into another prime (2478124729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239062369 + 1239062370.

It is an arithmetic number, because the mean of its divisors is an integer number (1239062370).

Almost surely, 2^2478124739 is an apocalyptic number.

2478124739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478124739 is an equidigital number, since it uses as much as digits as its factorization.

2478124739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 47.

The square root of 2478124739 is about 49780.7667578554. The cubic root of 2478124739 is about 1353.2386329438.

The spelling of 2478124739 in words is "two billion, four hundred seventy-eight million, one hundred twenty-four thousand, seven hundred thirty-nine".