2471684539 has 2 divisors, whose sum is σ = 2471684540. Its totient is φ = 2471684538.

The previous prime is 2471684533. The next prime is 2471684543. The reversal of 2471684539 is 9354861742.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2471684539 - 2³ = 2471684531 is a prime.

It is a super-2 number, since 2×2471684539² = 12218448920663285042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2471684492 and 2471684501.

It is not a weakly prime, because it can be changed into another prime (2471684531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235842269 + 1235842270.

It is an arithmetic number, because the mean of its divisors is an integer number (1235842270).

Almost surely, 2^2471684539 is an apocalyptic number.

2471684539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471684539 is an equidigital number, since it uses as much as digits as its factorization.

2471684539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The square root of 2471684539 is about 49716.0390517990. The cubic root of 2471684539 is about 1352.0653414480.

The spelling of 2471684539 in words is "two billion, four hundred seventy-one million, six hundred eighty-four thousand, five hundred thirty-nine".