5488840261 has 2 divisors, whose sum is σ = 5488840262. Its totient is φ = 5488840260.

The previous prime is 5488840249. The next prime is 5488840283. The reversal of 5488840261 is 1620488845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4689647361 + 799192900 = 68481^2 + 28270^2 .

It is a cyclic number.

It is not a de Polignac number, because 5488840261 - 2⁵ = 5488840229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5488840211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2744420130 + 2744420131.

It is an arithmetic number, because the mean of its divisors is an integer number (2744420131).

Almost surely, 2^5488840261 is an apocalyptic number.

It is an amenable number.

5488840261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5488840261 is an equidigital number, since it uses as much as digits as its factorization.

5488840261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 491520, while the sum is 46.

The square root of 5488840261 is about 74086.7077214260. The cubic root of 5488840261 is about 1763.9794875821.

The spelling of 5488840261 in words is "five billion, four hundred eighty-eight million, eight hundred forty thousand, two hundred sixty-one".