2748586261 has 2 divisors, whose sum is σ = 2748586262. Its totient is φ = 2748586260.

The previous prime is 2748586259. The next prime is 2748586271. The reversal of 2748586261 is 1626858472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2549240100 + 199346161 = 50490^2 + 14119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748586261 - 2¹ = 2748586259 is a prime.

Together with 2748586259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2748586271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374293130 + 1374293131.

It is an arithmetic number, because the mean of its divisors is an integer number (1374293131).

Almost surely, 2^2748586261 is an apocalyptic number.

It is an amenable number.

2748586261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748586261 is an equidigital number, since it uses as much as digits as its factorization.

2748586261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 49.

The square root of 2748586261 is about 52426.9612031825. The cubic root of 2748586261 is about 1400.7795422185.

The spelling of 2748586261 in words is "two billion, seven hundred forty-eight million, five hundred eighty-six thousand, two hundred sixty-one".