2749886539 has 2 divisors, whose sum is σ = 2749886540. Its totient is φ = 2749886538.

The previous prime is 2749886533. The next prime is 2749886563. The reversal of 2749886539 is 9356889472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2749886539 - 2¹³ = 2749878347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2749886533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374943269 + 1374943270.

It is an arithmetic number, because the mean of its divisors is an integer number (1374943270).

Almost surely, 2^2749886539 is an apocalyptic number.

2749886539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749886539 is an equidigital number, since it uses as much as digits as its factorization.

2749886539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 61.

The square root of 2749886539 is about 52439.3605891605. The cubic root of 2749886539 is about 1401.0003970515. Note that the first 3 decimals are identical.

The spelling of 2749886539 in words is "two billion, seven hundred forty-nine million, eight hundred eighty-six thousand, five hundred thirty-nine".