2461678139 has 2 divisors, whose sum is σ = 2461678140. Its totient is φ = 2461678138.

The previous prime is 2461678123. The next prime is 2461678169. The reversal of 2461678139 is 9318761642.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2461678139 - 2⁴ = 2461678123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2461678093 and 2461678102.

It is not a weakly prime, because it can be changed into another prime (2461678169) 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, 1230839069 + 1230839070.

It is an arithmetic number, because the mean of its divisors is an integer number (1230839070).

Almost surely, 2^2461678139 is an apocalyptic number.

2461678139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2461678139 is an equidigital number, since it uses as much as digits as its factorization.

2461678139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 2461678139 is about 49615.3014603358. The cubic root of 2461678139 is about 1350.2383006855.

The spelling of 2461678139 in words is "two billion, four hundred sixty-one million, six hundred seventy-eight thousand, one hundred thirty-nine".